Derivative Instruments and Hedging Activities Disclosure [Abstract] Schedule of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Gross Amounts Recognized, Gross Amounts Offset and Net Amount Presented Schedule of Derivative Instruments [Table Text Block] Amounts Recorded in the Consolidated Statements of Financial Condition Related to the Cumulative Basis Adjustment for the Fair Value Hedge Schedule of Interest Rate Derivatives [Table Text Block] Summary of Gains and Losses Related to the Fair Value of the Interest Rate Swap and the Offsetting Changes in the Fair Value of the Hedged Debt Derivative Instruments, Gain (Loss) [Table Text Block] Effect of Net Investment Hedges on Accumulated Other Comprehensive Income Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Summary of Effects of Derivatives not Designated as Hedging Instruments on the Consolidated Statements of Income Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Segment Reporting [Abstract] Business Segments Segment Reporting Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures Fair Value Disclosures [Text Block] Retirement Benefits [Abstract] Schedule of Net Periodic Benefit Cost Included in Non-interest Expense for the TCF Cash Balance Pension Plan and Postretirement Plan Schedule of Net Benefit Costs [Table Text Block] Equity [Abstract] Equity Stockholders' Equity Note Disclosure [Text Block] Earnings Per Share [Abstract] Basic Earnings Per Common Share: Earnings Per Share, Basic, Two Class Method [Abstract] Net income attributable to TCF Financial Corporation Net Income (Loss) Attributable to Parent Preferred stock dividends Preferred Stock Dividends, Income Statement Impact Impact of preferred stock redemption Preferred Stock Dividends and Other Adjustments Net income available to common stockholders Undistributed Earnings, Basic Less: Earnings allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Earnings allocated to common stock Undistributed Earnings (Loss) Available to Common Shareholders, Basic Weighted-average common shares outstanding for basic earnings per common share (in shares) Weighted Average Number of Shares Outstanding, Basic Basic earnings per common share (in dollars per share) Earnings Per Share, Basic Diluted Earnings Per Common Share: Earnings Per Share, Diluted, Two Class Method [Abstract] Earnings allocated to common stock Undistributed Earnings, Diluted Weighted-average common shares outstanding used in basic earnings per common share calculation (in shares) Net dilutive effect of: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Non-participating restricted stock (in shares) Incremental Common Shares Attributable to Dilutive Effect of Nonvested Shares with Forfeitable Dividends Stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Weighted-average common shares outstanding for diluted earnings per common share (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted earnings per common share (in dollars per share) Earnings Per Share, Diluted Regulatory Capital Requirements [Abstract] Schedule of Regulatory Capital Information for TCF and TCF Bank Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Investments, Debt and Equity Securities [Abstract] Schedule of Debt Securities Unrealized Gain (Loss) on Investments [Table Text Block] Schedule of Gross Unrealized Losses and Fair Value of Debt Securities Available for Sale and Debt Securities Held to Maturity that are in a Loss Position Schedule of Unrealized Loss on Investments [Table Text Block] Schedule of Amortized Cost and Fair Value of Debt Securities Available for Sale and Debt Securities Held to Maturity by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Interest Income Attributable to Debt Securities Available for Sale Interest Income On Securities Available For Sale By Taxable Status [Table Text Block] Tabular disclosure of interest income attributable to securities available for sale by taxable status. Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Summary of Components of Other Comprehensive Income (Loss), Reclassifications from Accumulated Cther Comprehensive Income (Loss) to Various Financial Statement Line Items and the Related Tax Effects Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Schedule of Components of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] Rollforwards of the Allowance for Loan and Lease Losses Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent [Table Text Block] Allowance for Loan and Lease Losses and Balances by Type of Allowance Methodology Allowance for Credit Losses on Financing Receivables [Table Text Block] Schedule of Accruing and Non-accruing Loans and Leases Past Due Financing Receivables [Table Text Block] Interest Income Recognized on Loans and Leases in Non-accrual Status and Contractual Interest Schedule of Financing Receivables Non Accrual Status Interest Income Recognized [Table Text Block] Tabular disclosure of interest income recognized on financing receivables in non-accrual status and contractual interest possibly to be recorded if financing receivables perform in accordance with their original contractual terms. Summary of Consumer Real Estate Loans to Customers Involved in Bankruptcy Proceedings Schedule of Past Due Financing Receivables in Bankruptcy [Table Text Block] Tabular disclosure of financing receivables to customers in bankruptcy. This includes financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on non-accrual status. Schedule of TDR Loans Troubled Debt Restructurings on Financing Receivables [Table Text Block] Schedule of Financial Effects of TDRs Troubled Debt Restructurings On Financing Receivables Financial Effects [Table Text Block] TroubledDebtRestructuringsOnFinancingReceivablesFinancialEffects [Table Text Block] Schedule of Accruing Loans that were Restructured within 12 Months and Defaulted Financing Receivable Troubled Debt Restructurings that Subsequently Defaulted [Table Text Block] Tabular disclosure of troubled debt restructurings in which a modification was made within 12 months of the beginning of the reporting period and for which there was a payment default in the current reporting period by class of financing receivable and portfolio segment. Information on Impaired Loans Impaired Financing Receivables [Table Text Block] Average Balance of Impaired Loans and Interest Income Recognized on Impaired Loans Schedule of Impaired Financing Receivables Average Balance and Interest Income Recognized [Table Text Block] Tabular disclosure of the average balance of impaired financing receivables and interest income recognized on impaired financing receivables during the period. Schedule of Other Real Estate Owned and Repossessed and Returned Assets Real estate owned and Repossessed and Returned Assets [Table Text Block] Real estate owned and Repossessed and Returned Assets [Table Text Block] Other Income and Expenses [Abstract] Other Non-interest Expense Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted Stock Awards (RSAs) Restricted Stock [Member] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Restricted Stock Awards and Restricted Stock Units Restricted Stock Awards and Restricted Stock Units [Member] Restricted Stock Awards and Restricted Stock Units [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Omnibus Incentive Plan tcb_Omnibus Incentive Plan [Member] tcb_Omnibus Incentive Plan [Member] Share-based compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Outstanding number of shares to vest only if certain performance goals and service conditions are achieved (in shares) Share Based Compensation Arrangement by Share Based Payment Award Number of Shares to Vest upon Achievements of Certain Goals Represents the number of shares that will vest upon achievement of certain goals under the equity-based compensation plan. Unrecognized stock compensation expense for restricted stock awards Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted-average remaining amortization period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Restricted stock units, granted (in shares) Restricted Stock Units, Grants In Period The number of RSU grants made to date at the period end. Restricted stock, maximum multiplier Share-based Compensation Arrangement by Share-based Payment Award, Maximum Multiplier Percentage Share-based Compensation Arrangement by Share-based Payment Award, Maximum Multiplier Remaining weighted-average performance period for RSUs Share-based Compensation Arrangement by Share-based Payment Award, Remaining Performance Period The remaining period of time in which performance goals must be met in order for the awards to vest. Compensation expense for restricted stock awards and restricted stock units Allocated Share-based Compensation Expense Bureau of Consumer Financial Protection and OCC settlement charge Litigation Settlement, Expense Advertising and marketing Marketing and Advertising Expense Outside processing Outside Processing Expenses This element represents the amount of expenses incurred during the period for outside processing. Professional fees Professional Fees Card processing and issuance costs Card Processing and Issuance Expenses This element represents the amount of expenses incurred during the period for card processing and issuance. FDIC insurance Federal Deposit Insurance Corporation Premium Expense Loan and lease processing Loan Processing Fee Severance Severance Costs Other Other Noninterest Expense, Other This element represents the amount of other non-interest expenses incurred in the period not separately presented in the statement of income or in the other expense note. Total other non-interest expense Other Noninterest Expense Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Other Comprehensive Income (Loss) Other Comprehensive Income (Loss) [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Measurement of fair value on a recurring basis Fair Value, Measurements, Recurring [Member] Measurement of fair value on a non-recurring basis Fair Value, Measurements, Nonrecurring [Member] Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] Loans held for sale Loans Held-For-Sale [Member] Loans Held-For-Sale [Member] Forward foreign exchange contracts Foreign Exchange Forward [Member] Interest rate contracts Swap [Member] Interest rate lock commitments Interest Rate Lock Commitments [Member] Forward loan sales commitments Forward Contracts [Member] Assets held in trust for deferred compensation plans Assets Held in Trust for Deferred Compensation Plans [Member] This element represents the assets held in trust for deferred compensation plans. Other contracts Other Contract [Member] Liabilities held in trust for deferred compensation plans Liabilities Held in Trust for Deferred Compensation Plans [Member] Represents the liabilities held in trust for deferred compensation plans. U.S. Government sponsored enterprises and federal agencies Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Mortgage-backed securities, Other Mortgage-backed Securities, Issued by Private Enterprises [Member] Obligations of states and political subdivisions US States and Political Subdivisions Debt Securities [Member] Interest-only strips Interest-Only-Strip [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and liabilities measured at fair value on Recurring and Nonrecurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets, Fair value carrying amount Assets, Fair Value Disclosure Liabilities, Fair value carrying amount Financial and Nonfinancial Liabilities, Fair Value Disclosure Loans Loans Receivable, Fair Value Disclosure Other real estate owned Other Real Estate Owned, Fair value disclosure Represents the fair value of Other Real Estate Owned Repossessed and returned assets Repossessed and Returned Equipment, Fair Value Disclosure Represents the fair value of repossessed and returned equipment. Fair Value, Adjustment Disclosure [Abstract] Fair Value, Adjustment Disclosure [Abstract] Transfers between fair value levels Fair Value, Assets or Liabilities, Transfers Between Levels, Amount Amount of transfers of assets or liabilities measured on a recurring basis within the fair value hierarchy. Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Net investment hedge Net Investment Hedging [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivatives designated as hedges Designated as Hedging Instrument [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest expense - borrowings Interest Expense, Borrowings [Member] Primary financial statement caption in which reported facts about interest expenses related to borrowings have been included. Other non-interest income Other Noninterest Income [Member] Primary financial statement caption in which reported facts about other noninterest income have been included. Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Interest Rate Contract Interest Rate Fair Value Hedges [Abstract] Fixed-rate subordinated notes, face amount Debt Instrument, Face Amount Carrying amount of the hedged liability - Subordinated bank note - 2025 Hedged Liability, Fair Value Hedge Amount of subordinated debt in a fair value hedging relationship. Cumulative amount of fair value hedging adjustments included in the carrying amount of the hedged liability - Subordinated bank note - 2025 Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Cumulative amount of fair value hedging adjustments included in the carrying amount of the hedged item Gains and losses related to changes in the fair vale of the interest rate swap and hedged debt Derivative, Gain (Loss) on Derivative, Net [Abstract] Gain (loss) of fair value hedge: Hedged item Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Gain (loss) of fair value hedge: Derivative designated as a hedging instrument Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Total amount presented in the Consolidated Statements of Income - Interest expense - borrowings Interest Expense, Borrowings Total amount presented in the Consolidated Statements of Income - Other non-interest income Noninterest Income, Other Operating Income Forward Foreign Exchange Contracts Summary of Net Investment Hedge Activity [Abstract] Effect of net investment hedges on accumulated other comprehensive income Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Cash and Cash Equivalents [Abstract] Cash and Due from Banks Cash and Cash Equivalents Disclosure [Text Block] Investment Holdings [Table] Investment Holdings [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Mortgage-backed securities: Collateralized Mortgage Backed Securities [Member] Mortgage-backed securities, U.S. Government sponsored enterprises and federal agencies Other securities Other Debt Obligations [Member] Debt securities available for sale and debt securities held to maturity Investment Holdings [Line Items] Debt securities available for sale: Available-for-sale Securities [Abstract] Amortized Cost Available-for-sale Debt Securities, Amortized Cost Basis Gross Unrealized Gains Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Losses Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax Fair Value Available-for-sale Securities, Debt Securities Debt securities available for sale pledged as collateral Available-for-sale Securities Pledged as Collateral Debt securities available for sale sold during the period Available-for-sale Securities, Amount Sold During Period Available-for-sale Securities, Amount Sold During Period Impairment charges on debt securities available for sale Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities Debt securities held to maturity: Held-to-maturity Securities, Parenthetical Disclosure [Abstract] Amortized Cost Held-to-maturity Securities Gross Unrealized Gains Held-to-maturity Securities, Accumulated Unrecognized Holding Gain Gross Unrealized Losses Held-to-maturity Securities, Accumulated Unrecognized Holding Loss Fair Value Held-to-maturity Securities, Fair Value Debt securities held to maturity sold during the period Held to Maturity Securities, Amount Sold During the Period Held-to-maturity securities, amount sold during the period. Impairment charges on debt securities held to maturity Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Held-to-maturity Securities Recoveries on previously impaired debt securities held to maturity Recoveries Recognized In Earnings On Previously Impaired Held to Maturity Securities The amount of recoveries received on previously impaired held-to-maturity securities which have been recognized in earnings during the period. Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Carrying Amount Reported Value Measurement [Member] Estimated Fair Value Estimate of Fair Value Measurement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Financial instrument assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Investments Investments, Fair Value Disclosure Debt securities held to maturity Loans held for sale Loans Held-for-sale, Fair Value Disclosure Loans: Receivables, Fair Value Disclosure [Abstract] Consumer real estate Loans and Leases Receivable, Gross, Consumer, Real Estate Commercial real estate Loans Receivable, Gross, Commercial, Real Estate Commercial business Loans Receivable, Commercial Business This element represents the gross carrying amount of unpaid commercial loans secured by business assets other than real estate, including inventory, receivables, equipment and financial instruments. Equipment finance Loans Receivable, Equipment Financing Represents the fair value of commercial loans, which are issued for equipment financing. Inventory finance Loans Receivable, Inventory Financing Reflects the net carrying amount of unpaid commercial variable rate loans which are secured by the underlying floor planned equipment and supported by repurchase agreements from original equipment manufacturers. Auto finance Loans Receivable, Auto Finance The gross amount of loans and leases receivables related to auto finance as on reporting date. Other Loans and Leases Receivable, Gross, Consumer, Other Allowance for loan losses Loans and Leases Receivable, Allowance Securitization receivable Accounts Receivable from Securitization Total financial instrument assets Financial Instrument, Assets, Fair Value Disclosure Represents the fair value of various categories of unpaid commercial loans and other financial instruments. Financial instrument liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Deposits Deposits, Fair Value Disclosure Long-term borrowings Long-term Debt, Fair Value Total financial instrument liabilities Financial Liabilities Fair Value Disclosure Financial instruments with off-balance sheet risk: Financial Instruments with Off Balance Sheet Risk [Abstract] Commitments to extend credit Fair Value Disclosure, Off Balance Sheet Risks, Amount Commitments to Extend Credit Represents the fair value of commitments to extend credit, which are not recognized in financial statements (off-balance sheet). Standby letters of credit Fair Value Disclosure, Off Balance Sheet Risks, Amount Letters of Credit Outstanding Fair Value Disclosure, Off Balance Sheet Risks, Amount Letters of Credit Outstanding Total financial instruments with off-balance sheet risk Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Consumer Real Estate Residential Portfolio Segment [Member] Commercial Commercial Portfolio Segment [Member] Leasing and Equipment Finance Leasing and Equipment Finance Portfolio Segment [Member] Represents member for leasing and equipment finance portfolios. Inventory Finance Inventory Financing Portfolio Segment [Member] Represents member for inventory finance portfolios. Auto Finance Automobile Loan [Member] Other Other Financing Portfolio Segment [Member] Represents member for other finance portfolios. Allowance for loan and lease losses, other credit loss reserves Financing Receivable, Allowance for Credit Losses [Line Items] Allowance for loan and lease losses Allowance for Loan and Lease Losses [Roll Forward] Balance, beginning of period Charge-offs Allowance for Loan and Lease Losses, Write-offs Recoveries Allowance for Loan and Lease Loss, Recovery of Bad Debts Net (charge-offs) recoveries Allowance for Loan and Lease Losses Write-offs, Net Provision for credit losses Provision for Loan and Lease Losses Other Allowance for Loan and Lease Losses, Adjustments, Other Balance, end of period Restricted Stock Award and Stock Option Transactions Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Accounting Policies [Abstract] New Accounting Pronouncements Adopted New Accounting Pronouncements, Policy [Policy Text Block] Reportable Segments, Including a Reconciliation of Consolidated Totals Schedule of Segment Reporting Information, by Segment [Table Text Block] Statement of Financial Position [Abstract] Assets: Assets [Abstract] Cash and due from banks Cash and Due from Banks Investments Other Investments Debt securities held to maturity Debt securities available for sale Loans and leases held for sale Loans Receivable Held-for-sale, Net, Not Part of Disposal Group Loans and leases: Loans and Leases Receivable, Net Amount [Abstract] Consumer real estate: Loans and Leases Receivable, Gross, Consumer, Real Estate [Abstract] First mortgage lien Loans and Leases Receivable Consumer First Mortgage Lien This element represents consumer real estate loans secured by a first mortgage lien position. Junior lien Loans and Leases Receivable Consumer Junior Lien This element represents consumer real estate loans secured by a junior lien position. Total consumer real estate Commercial Loans Receivable, Gross, Commercial, Financial and Agricultural Leasing and equipment finance Leases Receivable Commercial Lease and Equipment Financing Reflects the net carrying amount of commercial loans (money lent to commercial entities rather than consumers) made in the form of direct financing and equipment leases where the reporting entity (lessor) only recognizes interest revenue from the lease. Total loans and leases Loans and Leases Receivable, Net of Deferred Income Allowance for loan and lease losses Net loans and leases Loans and Leases Receivable, Net Amount Premises and equipment, net Property, Plant and Equipment, Net Goodwill, net Goodwill Other assets Other Assets Total assets Assets Liabilities and Equity: Liabilities and Equity [Abstract] Deposits: Deposits [Abstract] Checking Demand Deposit Accounts Savings Deposits, Savings Deposits Money market Deposits, Money Market Deposits Certificates of deposit Time Deposits Total deposits Deposits Short-term borrowings Short-term Debt Long-term borrowings Long-term Debt Total borrowings Debt and Capital Lease Obligations Accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Total liabilities Liabilities Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock, par value $0.01 per share, 30,000,000 shares authorized; 7,000 and 4,007,000 shares issued Preferred Stock, Value, Issued Common stock, par value $0.01 per share, 280,000,000 shares authorized; 173,522,007 and 172,158,449 shares issued Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings, subject to certain restrictions Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock at cost, 5,837,036 and 489,030 shares and other Treasury Stock Value and Common Stock Issued, Employee Trust Deferred Treasury stock at cost, plus shares held in trust for deferred compensation plans, at cost. Total TCF Financial Corporation stockholders' equity Stockholders' Equity Attributable to Parent Non-controlling interest in subsidiaries Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Consumer real estate Leasing and equipment finance Inventory finance Auto finance Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Domain] Class of Financing Receivable, Type [Domain] First mortgage lien First Mortgage [Member] Junior lien Second Mortgage [Member] Commercial real estate Commercial Real Estate Receivables [Member] Class of financing receivables related to commercial real estate. Commercial business Commercial Business Receivables [Member] Class of financing receivables related to commercial business. Impaired Loans Financing Receivable, Impaired [Line Items] Unpaid Contractual Balance with an Allowance Recorded Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance Unpaid Contractual Balance without an Allowance Recorded Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance Total Unpaid Contractual Balance Impaired Financing Receivable, Unpaid Principal Balance Loan Balance with an Allowance Recorded Impaired Financing Receivable, with Related Allowance, Recorded Investment Loan Balance without an Allowance Recorded Impaired Financing Receivable, with No Related Allowance, Recorded Investment Total Loan Balance Impaired Financing Receivable, Recorded Investment Related Allowance Recorded Impaired Financing Receivable, Related Allowance Average Loan Balance with an Allowance Recorded Impaired Financing Receivable, with Related Allowance, Average Recorded Investment Average Loan Balance without an Allowance Recorded Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment Total Average Loan Balance Impaired Financing Receivable, Average Recorded Investment Interest Income Recognized with an Allowance Recorded Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method Interest Income Recognized without an Allowance Recorded Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method Total Interest Income Recognized Impaired Financing Receivable, Interest Income, Accrual Method Allowance for loan and lease losses: Collectively evaluated for impairment Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Individually evaluated for impairment Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment Total Loans and leases outstanding: Loans and Leases Receivable, Net of Deferred Income [Abstract] Collectively evaluated for impairment Financing Receivable, Collectively Evaluated for Impairment Individually evaluated for impairment Financing Receivable, Individually Evaluated for Impairment Loans acquired with deteriorated credit quality Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net Fair Value, Option, Quantitative Disclosures [Table] Fair Value, Option, Quantitative Disclosures [Table] Eligible Item or Group for Fair Value Option [Axis] Financial Instrument [Axis] Fair Value, Option, Eligible Item or Group [Domain] Financial Instruments [Domain] Loans Held for Sale Gains on sales of consumer real estate loans, net Gain (Loss) on Sales of Consumer Loans [Member] Gain (Loss) on Sales of Consumer Loans [Member] Fair Value, Option, Quantitative Disclosures Fair Value, Option, Quantitative Disclosures [Line Items] Fair value carrying amount Aggregate unpaid principal amount Fair Value, Option, Loans Held as Assets, Aggregate Unpaid Principal Balance Fair Value, Option, Loans Held as Assets, Aggregate Unpaid Principal Balance Fair value carrying amount less aggregate unpaid principal Fair Value, Option, Aggregate Differences, Loans and Long-term Receivables Amount of loans recorded under the fair value option that were delinquent or on non-accrual status Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status Net gain from initial measurement of the correspondent lending loans held for sale and subsequent changes in fair value for loans outstanding Fair Value, Option, Changes in Fair Value, Gain (Loss) Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Provision for deferred income taxes Deferred Income Tax Expense (Benefit) Proceeds from sales of loans and leases held for sale Proceeds from Sale of Loans Receivable Originations of loans and leases held for sale, net of repayments Payments for Origination and Purchases of Loans Held-for-sale Gains on sales of assets, net Gain (Loss) on Disposition of Assets Net change in other assets and accrued expenses and other liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Other, net Other Noncash Income (Expense) Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Proceeds from maturities of and principal collected on debt securities Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Purchases of debt securities Payments to Acquire Available-for-sale Securities, Debt Redemption of Federal Home Loan Bank stock Proceeds from Sale of Federal Reserve Bank Stock Purchases of Federal Home Loan Bank stock Payments to Acquire Federal Reserve Bank Stock Proceeds from sales of loans and leases Proceeds from Sale of Loans and Leases Held-for-investment Loan and lease originations and purchases, net of principal collected on loans and leases Payments for (Proceeds from) Loans and Leases Acquisition of Equipment Financing & Leasing Corporation, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Proceeds from sales of lease equipment ProceedsFromSaleOfLeasedEquipment ProceedsFromSaleOfLeasedEquipment Purchases of lease equipment Payments to Acquire Equipment on Lease Proceeds from sales of real estate owned Proceeds from Sale of Foreclosed Assets Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Other, net Payments for (Proceeds from) Other Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Net change in deposits Increase (Decrease) in Deposits Net change in short-term borrowings Proceeds from (Repayments of) Short-term Debt Proceeds from long-term borrowings Proceeds from Issuance of Long-term Debt Payments on long-term borrowings Repayments of Long-term Debt Redemption of Series B preferred stock Payments for Repurchase of Redeemable Preferred Stock Repurchases of common stock Payments for Repurchase of Common Stock Common shares sold to TCF employee benefit plans Proceeds from Stock Plans Dividends paid on preferred stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Dividends paid on common stock Payments of Ordinary Dividends, Common Stock Exercise of stock options Proceeds from Stock Options Exercised Net investment by (distribution to) non-controlling interest Proceeds from (Payments to) Noncontrolling Interests Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net change in cash and due from banks Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and due from banks at beginning of period Cash and due from banks at end of period Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid (received) for interest on deposits and borrowings Interest Paid, Net Cash paid (received) for income taxes, net Income Taxes Paid, Net Transfer of loans and leases to other assets Transfer of Loans and Leases to Other Assets Transfer of value of loans and leases held in the entity's portfolio to Other Assets. Transfer of loans and leases from held for investment to held for sale, net Transfer Of Loans And Leases Held For Sale To From Portfolio Loans And Leases Net Net value of loans and leases held-for sale transferred to (from) loans and leases held in the entity's portfolio in noncash transactions. Allowance for Loan and Lease Losses and Credit Quality Information Allowance for Credit Losses [Text Block] Derivative [Table] Derivative [Table] Interest rate contracts Interest Rate Contract [Member] Forward foreign exchange contracts Foreign Exchange Contract [Member] Derivative Derivative [Line Items] Derivative Assets Offsetting Derivative Assets [Abstract] Gross amounts recognized Derivative Asset, Fair Value, Gross Asset Gross amounts offset Derivative Asset, Fair Value, Gross Liability Net amount presented Derivative Asset Derivative Liabilities Offsetting Derivative Liabilities [Abstract] Gross amounts recognized Derivative Liability, Fair Value, Gross Liability Gross amounts offset Derivative Liability, Fair Value, Gross Asset Net amount presented Derivative Liability Computation of Basic and Diluted Earnings per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Document and Entity Information Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Gross unrealized losses and fair value of debt securities available for sale that are in a loss position Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] Less than 12 months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less than 12 months, Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 12 months or more, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 12 months or more, Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Total, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Total, Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Gross unrealized losses and fair value of debt securities held to maturity that are in a loss position Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] Less than 12 months, Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less than 12 months, Unrealized Losses Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 12 months or more, Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 12 months or more, Unrealized Losses Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Total, Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value Total, Unrealized Losses Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivables Past Due [Table] Consumer real estate Consumer Real Estate Receivable Excluding Portfolios Acquired with Deteriorated Credit Quality [Member] Represents member for consumer real estate portfolios excluding portfolios acquired with deteriorated credit quality. Leasing and equipment finance Leasing and Equipment Finance Receivable Excluding Portfolios Acquired with Deteriorated Credit Quality [Member] Represents member for leasing and equipment finance portfolios excluding portfolios acquired with deteriorated credit quality. Auto finance Auto Financing Receivable Excluding Portfolios Acquired with Deteriorated Credit Quality [Member] Represents member for auto finance portfolios excluding portfolios acquired with deteriorated credit quality. Total loans and leases excluding portfolios acquired with deteriorated credit quality Total Financing Receivable Excluding Portfolios Acquired with Deteriorated Credit Quality [Member] Total Financing Receivable Excluding Portfolios Acquired with Deteriorated Credit Quality [Member] Receivables Acquired with Deteriorated Credit Quality [Axis] Receivables Acquired with Deteriorated Credit Quality [Axis] Receivables Acquired with Deteriorated Credit Quality [Domain] Receivables Acquired with Deteriorated Credit Quality [Domain] Portfolios acquired with deteriorated credit quality Receivables Acquired with Deteriorated Credit Quality [Member] Financing Receivable, Recorded Investment, Past Due Financing Receivable, Recorded Investment, Past Due [Line Items] Current-59 Days Delinquent and Accruing Financing Receivable, Recorded Investment, Current to 59 Days Financing Receivable, Recorded Investment, Current to 59 Days Past Due, Delinquent and Accruing 60-89 Days Delinquent and Accruing Financing Receivable, Recorded Investment, 60 to 89 Past Due Financing Receivable, Recorded Investment, 60 to 89 Past Due, Delinquent and Accruing 90 Days or More Delinquent and Accruing Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing Total Accruing Financing Receivable, Recorded Investment, Current and Past Due and Still Accruing Financing Receivable, Recorded Investment, Current and Past Due and Still Accruing Non-accrual Financing Receivable, Recorded Investment, Nonaccrual Status Class of Treasury Stock [Table] Class of Treasury Stock [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Treasury Stock and Other Class of Stock Disclosures [Abstract] Treasury stock, at cost Treasury Stock, Value Shares held in trust for deferred compensation plans, at cost Common Stock Issued, Employee Trust, Deferred Total Repurchase of common stock (in dollars) Treasury Stock, Value, Acquired, Cost Method Aggregate value remaining in the stock repurchase program Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock repurchase program, authorized amount (in dollars) Stock Repurchase Program, Authorized Amount Warrants Warrants and Rights Note Disclosure [Abstract] Outstanding warrants to purchase common stock (in shares) Class of Warrant or Right, Outstanding Warrants exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Common stock warrants exercised (in shares) Number of warrants exercised Number of warrants exercised Receivables [Abstract] Information about Loans and Leases Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Interest-only Strips and Contractual Liabilites Interest only strips and contractual liabilities [Table Text Block] Interest only strips and contractual liabilities [Table Text Block] Business Nature of Operations [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Loans and Leases Financing Receivables [Text Block] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Loan Modifications for Borrowers with Financial Difficulties Financing Receivable, Modifications [Line Items] Minimum period for loans to be delinquent to be considered in default Minimum Period of Loans Delinquent to be Considered in Default Represents the minimum period for loans to be delinquent to be considered in default. Defaulted TDR loan balance modified during the period Financing Receivable, Modifications, Subsequent Default, Recorded Investment Schedule of Gain (Loss) on Investments [Table] Schedule of Gain (Loss) on Investments [Table] Investments by Category [Axis] Investments by Category [Axis] Marketable Securities and Investments Held at Cost [Domain] Marketable Securities and Investments Held at Cost [Domain] Debt securities available for sale Available-for-sale Securities [Member] Interest Income on Debt Securities Available for Sale by Taxable Status Gain (Loss) on Investments [Line Items] Taxable interest income Interest Income, Securities, Operating, Taxable Tax-exempt interest income Interest Income, Securities, Operating, Tax Exempt Total interest income, securities available for sale Interest and Dividend Income, Securities, Operating, Available-for-sale Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Consumer Banking Consumer Banking [Member] Consumer Banking Wholesale Banking Wholesale Banking [Member] Wholesale Banking [Member] Enterprise Services Enterprise Services [Member] Enterprise Services [Member] Segment Reporting Information Segment Reporting Information [Line Items] Interest income: Interest and Dividend Income, Operating [Abstract] Loans and leases Interest and Fee Income, Loans and Leases Debt securities available for sale Debt securities held to maturity Interest Income, Securities, Operating, Held-to-maturity Loans held for sale and other Other Interest and Dividend Income Funds transfer pricing - credits Funds Transfer Pricing Credits Funds Transfer Pricing Credits Total interest income Interest and Dividend Income, Operating Interest expense: Interest Expense [Abstract] Deposits Interest Expense, Deposits Borrowings Funds transfer pricing - charges Funds Transfer Pricing Charges Funds Transfer Pricing Charges Total interest expense Interest Expense Net interest income Interest Income (Expense), Net Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Non-interest income: Noninterest Income [Abstract] Fees and service charges Fees and Commissions, Depositor Accounts Card revenue Fees and Commissions, Debit Cards ATM revenue Fees and Commissions ATM Revenue Income earned from transactions and services related to ATM cards. Subtotal Fees and Commissions Gains on sales of auto loans, net Gain (Loss) on Sale of Auto Loans, Net The net gain (loss) resulting from a sale of auto finance loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes. Gains on sales of consumer real estate loans, net Gain (Loss) on Sales of Consumer Real Estate Loans, Net The net gain (loss) resulting from a sale of consumer real estate loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes. Servicing fee income Bank Servicing Fees Subtotal Gain (Loss) on Disposition of Assets for Financial Service Operations, Including Bank Servicing Fees Gain (Loss) on Disposition of Assets for Financial Service Operations, Including Bank Servicing Fees Leasing and equipment finance Leases and Equipment Finance Income The total amount of revenue recognized for the period from operating, sales-type, financing and other leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. Other Fees and other revenue Fees and Other Revenue Aggregate of fees and other revenue excluding gain (loss) on sale of securities. Gains (losses) on debt securities, net Marketable Securities, Realized Gain (Loss) Total non-interest income Noninterest Income Non-interest expense: Noninterest Expense [Abstract] Compensation and employee benefits Labor and Related Expense Occupancy and equipment Occupancy, Net Other Subtotal Noninterest Expense Excluding Other Expenses Total aggregate amount of all noninterest expense excluding operating lease depreciation, foreclosed real estate and repossessed assets, net expense and other credit costs, net. Operating lease depreciation Operating Leases, Income Statement, Depreciation Expense on Property Subject to or Held-for-lease Foreclosed real estate and repossessed assets, net Foreclosed Real Estate and Repossessed Assets Expense Amount of expense recognized during the period for the foreclosure on real estate assets and repossessed equipment. Other credit costs, net Other Credit Costs, Net Amount of consumer real estate loan pool insurance, write-downs on residual values of operating leases and reserve requirements for expected losses on unfunded commitments. Total non-interest expense Noninterest Expense Income before income tax expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax expense (benefit) Income Tax Expense (Benefit) Income after income tax expense Income attributable to non-controlling interest Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, Nonredeemable Net income available to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Total assets Revenues from external customers: Segment Reporting Information, Revenue for Reportable Segment [Abstract] Interest Income Interest Income after Intersegment Eliminations Represents the total of interest and dividend income after intersegment eliminations, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein. Non-interest income Noninterest Income after Intersegment Eliminations This element represents the total amount of noninterest income after intersegment eliminations which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. Total Revenues after Intersegment Eliminations Revenues after Intersegment Eliminations Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Derivatives not designated as hedges Not Designated as Hedging Instrument [Member] Other non-interest expense Other Non-interest Expense [Member] Other Non-interest Expense [Member] Other non-interest income Derivative instruments, gain (loss) Derivative Instruments, Gain (Loss) [Line Items] Effect of derivatives included in the Consolidated Statements of Income Derivative, Gain (Loss) on Derivative, Net Credit risk-related contingent features Derivative, Credit Risk Related Contingent Features [Abstract] Forward foreign exchange contracts with credit risk-related contingent features, notional value Forward Foreign Exchange Contracts with Credit Risk Related Contingent Features Notional Value Represents the notional amount of forward foreign exchange contracts with credit risk-related contingent features. Additional collateral required, if TCF was rated less than BB- by Standard and Poor's Additional Collateral, Aggregate Fair Value Forward foreign exchange contracts with credit risk-related contingent features, net liability amount Derivative, Net Liability Position, Aggregate Fair Value Derivative, Collateral Derivative, Collateral [Abstract] Cash collateral posted Collateral Already Posted, Aggregate Fair Value Cash collateral received Collateral Already Received, Aggregate Fair Value The aggregate fair value of assets that are already received, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. Schedule of Preferred Shares [Table] Schedule of Preferred Shares [Table] Represents the disclosure of preferred shares issued by the reporting entity. Class of Stock [Axis] Class of Stock [Axis] Class of Stock Class of Stock [Domain] Series B Preferred Stock Series B Preferred Stock [Member] Series C Preferred Stock Series C Preferred Stock [Member] Schedule of Preferred Stock Schedule of Preferred Shares [Line Items] Preferred stock, value outstanding Preferred Stock, Value, Outstanding Preferred stock, depositary shares outstanding Preferred Stock, Depositary Shares Outstanding Aggregate share number for all preferred stock depositary shares outstanding Annual rate of dividend (as a percent) Preferred Stock, Dividend Rate, Percentage Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, liquidation preference per share Preferred Stock, Liquidation Preference Per Share Preferred stock, liquidation preference per depositary share Preferred Stock, Liquidation Preference Per Depositary Share The per depositary share liquidation preference of preferred stock redeemable soley at the option of the issuer that has a preference in involuntary liquidation considerable in excess of the par or stated value of the shares. Redemption of Series B Preferred Stock (in shares) Stock Redeemed or Called During Period, Shares Redemption of Series B Preferred Stock Stock Redeemed or Called During Period, Value Deferred stock issuance costs of Series B Preferred Stock Deferred Stock Issuance Costs Of Notice To Redeem Preferred Stock The amount of deferred stock issuance costs originally recorded in preferred stock upon issuance of the Series A Preferred Stock. Debt Securities Available for Sale and Debt Securities Held to Maturity Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Contractual Interest Due and Interest Recognized on Non-accrual Loans Loans and Leases Receivable Impaired Contractual Interest Due and Interest Recognized on Nonaccrual Loans [Abstract] Contractual interest due on non-accrual loans and leases Loans and Leases Receivable Impaired Interest Due on Nonaccrual Loans Reflects the contractual interest due on the non-accrual loans and leases. Interest income recognized on non-accrual loans and leases Loans and Leases Receivable Impaired Interest Recognized on Nonaccrual Loans The interest income recognized in the period on loans and leases in non-accrual status. Unrecognized interest income Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans Regulatory Capital Requirements Regulatory Capital Requirements under Banking Regulations [Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Pension Plan Pension Plan [Member] Postretirement Plan Other Postretirement Benefits Plan [Member] Employee Benefit Plans Defined Benefit Plan Disclosure [Line Items] Net periodic benefit plan (income) cost included in non-interest expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Interest cost Defined Benefit Plan, Interest Cost Return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Net periodic benefit plan (income) cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) TCF contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts, Notes, Loans and Financing Receivable Accounts, Notes, Loans and Financing Receivable [Line Items] Loans sold during the period Loans Sold, Recorded Investment The recorded investment of the loans sold during the reporting period. Proceeds from loan sale Net gains recognized Gain (Loss) on Sales of Loans, Net Interest-only strips retained on consumer loan sales Interest-only strips, initial value Interest-only strips, initial value Consumer real estate non-accrual loans sold Financing Receivable, Significant Sales Servicing asset Servicing Asset at Fair Value, Amount Servicing liability Servicing Liability at Fair Value, Amount Balances of Assets and Liabilities Measured at Fair Value on a Recurring and Non-recurring Basis Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Schedule of Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Tabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset and liability Schedule of Differences Between the Aggregate Fair Value and Aggregate Unpaid Principal Balance on Loans Held for Sale Fair Value, Option, Quantitative Disclosures [Table Text Block] Fair Value of Assets and Liabilities, Including Hierarchy Level Fair Value, by Balance Sheet Grouping [Table Text Block] Debt Disclosure [Abstract] Information about Long-term Borrowings Schedule of Long-term Debt Instruments [Table Text Block] Fair Value, Assets and Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets and Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets and Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Debt Securities Available for Sale Interest-only Strips Interest Rate Lock Commitments Forward Loan Sales Commitments Other Contracts Fair Value, Assets and Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets and Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] [Line Items] for Fair Value, Assets and Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Total net gains (losses) included in net income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Total net gains (losses) included in other comprehensive income (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Originations Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Principal paydowns / settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Ending balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Beginning balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Total net gains (losses) included in net income Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Total net gains (losses) include in other comprehensive income (loss) Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) Sales Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales Originations Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases Principal paydowns / settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Ending balance Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Consumer Financial Protection Bureau v. TCF National Bank CFPB v. TCF National Bank [Member] CFPB v. TCF National Bank [Member] Regulatory Agency [Axis] Regulatory Agency [Axis] Regulatory Agency [Domain] Regulatory Agency [Domain] Bureau of Consumer Financial Protection Bureau of Consumer Financial Protection [Member] Bureau of Consumer Financial Protection [Member] Office of the Comptroller of the Currency Office of the Comptroller of the Currency [Member] Office of the Comptroller of the Currency [Member] Litigation Contingencies Loss Contingencies [Line Items] Restitution to certain current and former customers Litigation Settlement, Amount Awarded to Other Party Civil money penalty Civil Money Penalties Civil Money Penalties Administrative settlement costs Administrative Settlement Costs Administrative Settlement Costs Interest-only strips Interest Only Strips, Fair Value Disclosure Represents the total fair market value of interest-only strips. Contractual liabilities related to sale of loans Contractual liabilities related to sale of loans Contractual liabilities related to sale of loans Impairment charges on interest-only strips Interest-only Strips, Impairment Losses Represents the amount of impairment losses recorded during the period related to interest-only strips. Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract] Schedule of impairment on other real estate owned and repossessed and returned assets [Table] Schedule of impairment on other real estate owned and repossessed and returned assets [Table] Schedule of impairment on other real estate owned and repossessed and returned assets [Table] Other real estate owned and repossessed and returned assets Other real estate owned and repossessed and returned assets [Member] Other real estate owned and repossessed and returned assets [Member] Other Real Estate Owned and Repossessed and Returned Assets Schedule of impairment on other real estate owned and repossessed and returned assets [Line Items] [Line Items] for Schedule of impairment on other real estate owned and repossessed and returned assets [Table] Other real estate owned Other Real Estate, Foreclosed Assets, and Repossessed Assets Repossessed and returned assets Repossessed and Returned Equipment at Carrying Value Represents the carrying value of repossessed and returned equipment. Consumer real estate loans in process of foreclosure Mortgage Loans in Process of Foreclosure, Amount Amount written down Asset Impairment Charges Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Federal Home Loan Bank advances Federal Home Loan Bank Advances [Member] Subordinated bank notes Subordinated Debt [Member] Discounted lease rentals Discounted Lease Rentals [Member] This element represents the lease rentals, which are discounted to their current value using specific discounting rate. Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Maturity Year 2018 Maturity Year 2018 [Member] This element represents the maturity year of long-term debt that will mature in 2018. Maturity Year 2019 Maturity Year 2019 [Member] This element represents the maturity year of long-term debt that will mature in 2019. Maturity Year 2020 Maturity Year 2020 [Member] Maturity Year 2020 [Member] Maturity Year 2021 Maturity Year 2021 [Member] Maturity Year 2021 [Member] Maturity Year 2022 Maturity Year 2022 [Member] This element represents the maturity year of long-term debt that will mature in 2022. Maturity Year 2023 Maturity Year 2023 [Member] Maturity Year 2023 [Member] Maturity Year 2025 Maturity Year 2025 [Member] Maturity Year 2025 [Member] Maturity Year 2025, Interest Rate Swap Maturity Year 2025, Interest Rate Swap [Member] Maturity Year 2025, Interest Rate Swap [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] TCF Bank Subsidiaries [Member] Debt instrument Debt Instrument [Line Items] Stated Rate Debt Instrument, Interest Rate, Stated Percentage Hedged-related basis adjustment Loans pledged as collateral Loans Pledged as Collateral FHLB advances, amount prepayable Long-term Federal Home Loan Bank Advances Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Total interest income Interest Income [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Line Items] Total other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax Total other comprehensive income (loss), tax effect Other Comprehensive Income (Loss), Tax Total other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Debt securities available for sale and interest-only strips Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Abstract] Net unrealized gains (losses) arising during the period, before tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Net unrealized gains (losses) arising during the period, tax effect Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Net unrealized gains (losses) arising during the period, net of tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Reclassification of net (gains) losses from accumulated other comprehensive income (loss), before tax Other Comprehensive Income Loss Reclassification Adjustment for Sale or Write Down of Securities and IO Strips Included Net Income Before Tax Other Comprehensive Income Loss Reclassification Adjustment for Sale or Write Down of Securities Before Tax Reclassification of net (gains) losses from accumulated other comprehensive income (loss), tax effect Other Comprehensive Income Loss Reclassification Adjustment for Sale or Write Down of Securities and IO Strips Included Net Income Tax Other Comprehensive Income Loss Reclassification Adjustment for Sale or Write Down of Securities Tax Reclassification of net (gains) losses from accumulated other comprehensive income (loss), net of tax Other Comprehensive Income Loss Reclassification Adjustment for Sale or Write Down of Securities and IO Strips Included Net Income After Tax Other Comprehensive Income Loss Reclassification Adjustment for Sale or Write Down of Securities Net of Tax Net unrealized gains (losses) on debt securities available for sale and interest-only strips, before taxes Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax Net unrealized gains (losses) on debt securities available for sale and interest-only strips, tax effect Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Net unrealized gains (losses) on debt securities available for sale and interest-only strips, net of tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Net investment hedges Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract] Net unrealized gains (losses) on net investment hedges, before tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Net unrealized gains (losses) on net investment hedges, tax effect Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Net unrealized gains (losses) on net investment hedges, net of tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Foreign currency translation adjustment, before tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Foreign currency translation adjustment, tax effect Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax Foreign currency translation adjustment, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Reclassification of amortization of prior service cost to Other non-interest expense, before tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Reclassification of amortization of prior service cost to Other non-interest expense, tax effect Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Reclassification of amortization of prior service cost to Other non-interest expense, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Preferred stock, shares authorized (shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (shares) Preferred Stock, Shares Issued Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (shares) Common Stock, Shares Authorized Common stock, shares issued (shares) Common Stock, Shares, Issued Treasury stock, shares (shares) Treasury Stock, Shares Statement of Comprehensive Income [Abstract] Net income attributable to TCF Financial Corporation Other comprehensive income (loss), net of tax: Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Net unrealized gains (losses) on debt securities available for sale and interest-only strips Net unrealized gains (losses) on net investment hedges Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Recognized postretirement prior service cost Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Stock Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2017-12 Accounting Standards Update 2017-12 [Member] Accounting Standards Update 2017-12 [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Retained Earnings Retained Earnings [Member] Change in Accounting Principle New Accounting Pronouncements or Change in Accounting Principle [Line Items] Cumulative effect reduction to the opening balance of retained earnings Cumulative Effect of New Accounting Principle in Period of Adoption Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Schedule of Preferred Stock Schedule of Stock by Class [Table Text Block] Schedule of Treasury Stock and Other Class of Treasury Stock [Table Text Block] Consumer real estate and commercial Consumer real estate and commercial loans [Member] Consumer real estate and commercial loans [Member] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Contractual interest rate reduction Contractual Interest Rate Reduction [Member] Accruing TDR Loans Accruing Troubled Debt Restructurings The amount of the outstanding recorded investment related to accruing financing receivables that have been modified by troubled debt restructurings. Non-accrual TDR Loans Non-accrual Troubled Debt Restructurings The amount of the outstanding recorded investment related to non-accrual financing receivables that have been modified by troubled debt restructurings. Total TDR loans Financing Receivable, Modifications, Recorded Investment Maximum period past due to be considered accruing status for consumer real estate TDR loans Maximum Period Past Due for Accruing Status for Consumer Real Estate Troubled Debt Restructuring Loans Consumer real estate TDR loans generally remain on accruing status following modification if they are less than 90 days past due and payment in full under the modified terms of the loan is expected based on a current credit evaluation and historical payment performance. Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed Financing Receivable Modifications Nonaccruing Troubled Debt Restructurings Chapter 7 Bankruptcy not Reaffirmed Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed. Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed (as a percent) Financing Receivable Modifications Nonaccruing Troubled Debt Restructurings Chapter 7 Bankruptcy not Reaffirmed as Percentage of non Accrual Troubled Debt Restructurings Balance Represents the percentage of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed. Portion of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed, current (as a percent) Financing Receivable Modifications Nonaccruing Troubled Debt Restructurings Chapter 7 Bankruptcy not Reaffirmed as Percentage of non Accrual Troubled Debt Restructurings Balance Current Represents the percentage of non-accrual TDR balance, loans discharged in Chapter 7 bankruptcy that are not reaffirmed that are current. Allowance on accruing TDR loans Financing Receivable, Modifications, Allowance for Credit Losses Represent reserves for losses on loan TDRs outstanding as of the balance sheet date. Allowance on accruing TDR loans (as a percent) Financing Receivable, Modifications, Allowance for Credit Losses as Percentage of Outstanding Balances Represent allowance for losses on loan TDRs as a percentage of loan TDRs outstanding as of the balance sheet date. Percent of accruing TDR loans more than 60 days delinquent Financing Receivable, Modifications, Percentage Of Accruing TDR Loans Over 60 Day Delinquencies Represents the percentage of accruing TDR loans over 60 day delinquencies. Delinquency period of performing loans and leases Delinquency Period of Performing Loans and Leases Represents the delinquency period of performing loans and leases. Unfunded commitments to loans classified as TDRs Loans and Leases Receivable, Impaired, Commitment to Lend Contractual Interest Due on Accruing TDR Loans Loans and Leases Receivable, Impaired, Troubled Debt, Interest Income Interest Income Recognized on Accruing TDR Loans Unrecognized Interest Income on Accruing TDR Loans Loans and Leases Receivable Impaired Interest Lost on Troubled Debt Reflects the amount of additional interest income that would have been recorded if troubled debt restructurings were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). Consumer Real Estate Loans to Customers Involved in Bankruptcy 0-59 days delinquent and accruing Financing Receivable, Recorded Investment, Current to 59 Days, to Customers in Bankruptcy Financing Receivable, Recorded Investment, Current to 59 Days, to Customers in Bankruptcy Non-accrual Financing Receivable, Recorded Investment, Nonaccrual Status, to Customers in Bankruptcy Financing Receivable, Recorded Investment, Nonaccrual Status, to Customers in Bankruptcy Total consumer real estate loans to customers in bankruptcy Financing Receivable, Recorded Investment, Total Loans to Customer in Bankruptcy Financing Receivable, Recorded Investment, Total Loans to Customer in Bankruptcy Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Stock Options Employee Stock Option [Member] Restricted Stock Awards, Shares Activity Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding at the beginning of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited/cancelled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Outstanding at the end of the period (in shares) Restricted Stock Awards, Weighted-average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Forfeited/cancelled (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Outstanding at the end of the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Stock Options, Shares Activity Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at the beginning of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited/canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares Outstanding at the end of the period (in shares) Stock Options, Weighted-average Remaining Contractual Life