Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Series B Cumulative Redeemable Preferred Stock Series B Preferred Stock [Member] Series C Cumulative Redeemable Preferred Stock Series C Preferred Stock [Member] Series D Cumulative Redemable Preferred Stock Series D Preferred Stock [Member] Statement [Line Items] Statement [Line Items] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Preferred stock, dividend rate (as percent) Preferred Stock, Dividend Rate, Percentage Preferred stock liquidation preference, (in dollars per share) Preferred Stock, Liquidation Preference Per Share Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Traditional Golf Golf Information pertaining to the Golf business segment. Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Domain] Class of Financing Receivable, Type [Domain] Mezzanine Loans Mezzanine Loans [Member] The company's mezzanine real estate related loans holdings. Corporate Loans Corporate Bank Loans [Member] Corporate Bank Loans [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Held-for-sale Disposal Group, Held-for-sale, Not Discontinued Operations [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Real Estate Related and Other Loans Total Real Estate Related and Other Loans [Member] The company's total real estate related and other loans Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of reportable segments (in segments) Number of Reportable Segments Number of golf properties (in properties) Number of Real Estate Properties Number of states in which properties owned (in states) Number of States in which Entity Operates Rental expense - carts and equipment Operating Leases, Rent Expense Amortization of favorable and unfavorable lease intangibles Amortization of Intangible Assets Accretion expense Accretion Expense Loan count (in loans) Loan Count Indicates the number of mortgages under each classification. Face amount Mortgage Loans on Real Estate, Face Amount of Mortgages Investments, Debt and Equity Securities [Abstract] REAL ESTATE SECURITIES Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Debt Disclosure [Abstract] Schedule of debt obligations and related hedges Schedule of Debt [Table Text Block] Schedule of future minimum lease payments under capital leases Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Fair Value Disclosures [Abstract] Schedule of carrying value and estimated fair value of assets and liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of assets and liabilities measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of quantitative information regarding significant unobservable inputs Fair Value Inputs, Assets, Quantitative Information [Table Text Block] Schedule of change in fair value of Level 3 investments Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of fair value for real estate related and other loans Schedule Of Fair Value For Real Estate Related And Other Loans Held-For-Sale [Table Text Block] Fair value measurements for real estate related loans and other loans held for sale. Liabilities for which fair value is only disclosed Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] Accounting Policies [Abstract] Schedule of realized/unrealized loss on investments and other income (loss), net Gain (Loss) on Investments [Table Text Block] Schedule of reclassification from accumulated other comprehensive income into net (loss) income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Schedule of useful lives of property, plant, and equipment Schedule of useful lives of property, plant, and equipment [Table Text Block] Tabular disclosure of useful lives of property, plant and equipment. Schedule of amortization period Schedule of Amortization Period Tabular disclosure of useful lives utilized in amortization. Schedule of supplemental non cash investing and financing activities relating to CDOs Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Schedule of receivables and other assets Schedule of Other Assets [Table Text Block] Schedule of accounts payable, accrued expenses and other liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of segment reporting Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of other debt segment investments and debt Schedule of Other Debt Segment Investments and Debt [Table Text Block] Schedule detailing segment information for other debt. Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Capital Leases (Equipment) Capital Lease Obligations [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest rate cap Interest Rate Cap [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Lower Range Minimum [Member] Upper Range Maximum [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt instrument, term Debt Instrument, Term Derivative Instruments and Hedging Activities Disclosure [Abstract] DERIVATIVES Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Deferred Deferred [Member] Information pertaining to net deferred hedge (gains) and losses. Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as hedging instrument Designated as Hedging Instrument [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative assets Derivative Asset Derivative liabilities Derivative Liability Expected reclassification of current hedges from AOCI into earnings over the next 12 months (less than in 2015) Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Transactions With Affiliates And Affiliated Entity [Abstract] Transactions With Affiliates And Affiliated Entity [Abstract] Management fees Management Fees The total management fees incurred in the period. Expense reimbursement to the Manager Expense Reimbursement to the Manager The total expense reimbursement paid to the manager during the period. Incentive compensation Incentive Compensation The total incentive compensation paid to the manager during the period. Total Management fee to affiliate ManagementFeesTotal The total management fees incurred in the period and due to the affiliate. Receivables [Abstract] Schedule of real estate and other related loans, residential mortgage loans and subprime mortgage loans Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of real estate related and other loans by maturity Schedule of real estate related and other loans by maturity [Table Text Block] Schedule summarizing real estate loans by maturity date. Schedule of activity in carrying value of real estate related and other loans and residential mortgage loans Schedule of activity in carrying value of real estate related and other loans and residential mortgage loans [Table Text Block] Schedule detailing activity in the carrying value of real estate loans and residential mortgage loans. Rollforward of related loss allowance Allowance for Credit Losses on Financing Receivables [Table Text Block] Schedule of geographic distribution of real estate related and other loans and residential mortgage loans Schedule of geographic distribution of real estate related and other loans and residential mortgage loans [Table Text Block] Tabular disclosure of the geographic distribution of real estate loans, residential mortgage loans and subprime mortgage loans. SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Annandale, New Jersey Annandale, New Jersey [Member] Annandale, New Jersey [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Accounts receivable, net Accounts Receivable, Net Prepaid expenses Prepaid Expense Interest receivable Interest Receivable Deposits Deposit Assets Inventory Inventory, Net Residential mortgage loans, held-for-sale, net Loans Receivable Held-for-sale, Amount Miscellaneous assets, net Other Assets, Miscellaneous Receivables and other assets Other Assets Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] Unlevered real estate securities Unlevered Real Estate Securities [Member] Specific investment and debt holdings related to unlevered real estate securities. Levered real estate securities Levered Real Estate Securities [Member] Specific investment and debt holdings related to real estate securities. Real estate related and other loans Real Estate Related and Other Loans [Member] Specific investment and debt holdings related to real estate securities. Other investments Other Investments [Member] Debt Investments Debt Investments [Member] Debt Investments [Member] Investments, Outstanding Face Amount Investment Owned, Balance, Principal Amount Investments, Carrying Value Investments Debt, Outstanding Face Amount Debt Instrument, Face Amount Debt, Carrying Value Debt Carrying Value Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. Prior to inter-segment elimination, as presented in segment reporting disclosures. Goodwill and Intangible Assets Disclosure [Abstract] Schedule of intangible assets Schedule of Intangible Assets and Goodwill [Table Text Block] Statement of Cash Flows [Abstract] Cash Flows From Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net (loss) income to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization DepreciationDepletionAndAmortizationIncludingDiscontinuedOperations The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Including aggregate expense from both continuing and discontinued operations. Amortization of discount and premium Accretion (Amortization) of Discounts and Premiums, Investments Other amortization Other Depreciation and Amortization Net interest income on investments accrued to principal balance InterestIncomeOnInvestmentsAccruedToPrincipalBalance Interest income on investments accrued to principal balance. As a noncash item, it is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. Amortization of revenue on golf membership deposit liabilities Amortization of Revenue on Golf Membership Deposit Liabilities Amortization of Revenue on Golf Membership Deposit Liabilities Amortization of prepaid golf membership dues Amortization of Prepaid Golf Member Dues Amortization of Prepaid Golf Member Dues Non-cash directors’ compensation Non-cash directors' compensation Noncash compensation paid to directors' during the period. Valuation allowance on loans Provision for Loan, Lease, and Other Losses Other-than-temporary impairment on securities Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities Equity in earnings from equity method investments, net of distributions IncomeLossFromEquityMethodInvestments1 This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Gain on deconsolidation Deconsolidation, Gain (Loss), Amount Loss on settlement of investments, net Gain (Loss) on Settlement of Investments Gain (Loss) on Settlement of Investments Unrealized loss on securities, intent-to-sell Marketable Securities, Unrealized Gain (Loss) Unrealized (gain) loss on non-hedge derivatives Unrealized Gain (Loss) on Derivatives Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Change in: Increase (Decrease) in Operating Capital [Abstract] Restricted cash Increase (Decrease) in Restricted Cash for Operating Activities Receivables and other assets Increase (Decrease) in Accounts Receivable and Other Operating Assets Accounts payable, accrued expenses and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Cash Flows From Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Principal repayments from investments Principal repayments from investments The cash inflow associated with maturities (principal being due), repayments and calls (payments before maturities) of securities held for investment purposes. Purchase of real estate securities Payments to Acquire Available-for-sale Securities Proceeds from sale of investments Proceeds from Sale of Available-for-sale Securities Net payments for settlement of TBAs Payments for (Proceeds from) Derivative Instrument, Investing Activities Acquisition and additions of investments in real estate Payments to Acquire Real Estate Funds reserved for capital expenditures Payments for Capital Improvements Deposits paid on investments Payments for Deposits Applied to Investments Payments for Deposits Applied to Investments 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 [Abstract] Borrowings under debt obligations Proceeds from Other Debt Repayments of debt obligations Repayments of Other Debt Margin deposits under repurchase agreements and derivatives Margin deposits under repurchase agreements and derivatives Increase decrease in the period of funds used for margin deposits under repurchase agreements and derivatives. Return of margin deposits under repurchase agreements and derivatives RepaymentsMarginDeposits The return of margin deposits under repurchase agreements and derivatives in the period. Golf membership deposits received Golf Membership Deposits Received Golf Membership Deposits Received Common stock dividends paid Payments of Ordinary Dividends, Common Stock Preferred stock dividends paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Payment of deferred financing costs Payments of Financing Costs Other financing activities Proceeds from (Payments for) Other Financing Activities Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Net (Decrease) Increase in Cash and Cash Equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents, Beginning of Period Cash and Cash Equivalents, at Carrying Value Cash and Cash Equivalents, End of Period Supplemental Schedule of Non-Cash Investing and Financing Activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Preferred stock dividends declared but not paid Preferred stock dividends declared but not paid The aggregate amount of preferred dividends declared, but not paid, as of the financial reporting date. Financing costs accrued but not paid Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction Additions to capital lease assets and liabilities Capital Lease Obligations Incurred Additions to investment in real estate and accounts payable Capital Expenditures Incurred but Not yet Paid Real Estate [Abstract] Schedule of investments in real estate related to Traditional and Entertainment Golf businesses Schedule of Real Estate Properties [Table Text Block] Other than Temporary Impairment Losses, Investments [Abstract] Schedule of Investments [Table] Schedule of Investments [Table] Debt securities Securities Investment [Member] Schedule of Investments [Line Items] Schedule of Investments [Line Items] Debt securities Total impairment Impairment of Investments and Financing Receivables Impairment of Investments and Financing Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Corporate Loans Bank Loan Obligations [Member] Weighted Average Weighted Average [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Carrying Value Loans and Leases Receivable, Net Amount Fair Value Loans Receivable, Fair Value Disclosure Discount Rate (as percent) Fair Value Inputs, Discount Rate Loss Severity (as percent) Fair Value Inputs, Loss Severity Future minimum lease payments due Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] July 1, 2017 - December 31, 2017 Capital Leases, Future Minimum Payments, Remainder of Fiscal Year 2018 Capital Leases, Future Minimum Payments Due in Two Years 2019 Capital Leases, Future Minimum Payments Due in Three Years 2020 Capital Leases, Future Minimum Payments Due in Four Years 2021 Capital Leases, Future Minimum Payments Due in Five Years 2022 Capital Leases, Future Minimum Payments Due in Year Six Capital Leases, Future Minimum Payments Due in Year Six Thereafter Capital Leases, Future Minimum Payments Due Thereafter Total minimum lease payments Capital Leases, Future Minimum Payments Due Less: imputed interest Capital Leases, Future Minimum Payments, Interest Included in Payments Present value of net minimum lease payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments IMPAIRMENT OTHER-THAN-TEMPORARY-IMPAIRMENT The disclosure of the amount of other than temporary impairment (OTTI) recognized in earnings. Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Net realized (gain) loss on securities Accumulated Net Investment Gain (Loss) Including Portion Attributable to Noncontrolling Interest [Member] Net realized (gain) on derivatives designated as cash flow hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest [Member] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification from AOCI into earnings Reclassification out of Accumulated Other Comprehensive Income [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Accumulated Other Comprehensive Income (“AOCI”) Components RECLASSIFICATION FROM ACCUMULATED COMPREHENSIVE INCOME INTO NET INCOME Impairment Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net Realized and unrealized (gain) loss on investments Gain (Loss) on Investments, Excluding Other than Temporary Impairments Interest expense Interest Income (Expense), Nonoperating, Net Net (loss) income Total reclassifications Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Year of Maturity Year of Maturity Outstanding Face Amount Outstanding Face Amount Delinquent Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans Period from July 1, 2017 to December 31, 2017 Remainder of Fiscal Year Remainder of Fiscal Year 2018 Year Two Face amount of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2019 Year Three Face amount of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2020 Year Four Face amount of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2021 Year Five Face amount of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2022 LoansReceivableMaturitiesRepaymentsOfPrincipalInYearSixFace nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInYearSixFace Thereafter Thereafter Face amount of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Total Carrying Value Carrying Value Delinquent MortgageLoansOnRealEstateCarryingValueOfDelinquentLoans Carrying value of principal due on loans that have been delinquent, which may exclude loans having interest delinquent for three months or less, as of the balance sheet date. Period from July 1, 2017 to December 31, 2017 LoansReceivableMaturitiesRepaymentsOfPrincipalInRemainderofFiscalYear Carrying value of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2018 LoansReceivableMaturitiesRepaymentsOfPrincipalInYearTwo Carrying value of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2019 LoansReceivableMaturitiesRepaymentsOfPrincipalInYearThree Carrying value of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2020 LoansReceivableMaturitiesRepaymentsOfPrincipalInYearFour Carrying value of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2021 LoansReceivableMaturitiesRepaymentsOfPrincipalInYearFive Carrying value of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2022 Loans Receivable Maturities Repayments Of Principal In Year Six Loans Receivable Maturities Repayments Of Principal In Year Six Thereafter LoansReceivableMaturitiesRepaymentsOfPrincipalThereafter Carrying value of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Total Number of Loans Number of Loans Delinquent (in loans) MortgageLoansOnRealEstateNumberOfLoansDelinquent The number of loans that have been delinquent, as of the balance sheet date. Period from July 1, 2017 to December 31, 2017 (in loans) MortgageLoansOnRealEstateNumberOfLoansMaturingRemainderofFiscalYear The number of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2018 (in loans) MortgageLoansOnRealEstateNumberOfLoansMaturingInYearTwo The number of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2019 (in loans) MortgageLoansOnRealEstateNumberOfLoansMaturingInYearThree The number of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2020 (in loans) MortgageLoansOnRealEstateNumberOfLoansMaturingInYearFour The number of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2021 (in loans) MortgageLoansOnRealEstateNumberOfLoansMaturingInYearFive The number of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 2022 (in loans) Mortgage Loans On Real Estate Number Of Loans Maturing In Year Six Mortgage Loans On Real Estate Number Of Loans Maturing In Year Six Thereafter (in loans) MortgageLoansOnRealEstateNumberOfLoansMaturingThereafter The number of loans receivable that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Total (in loans) INTANGIBLES, NET OF ACCUMULATED AMORTIZATION Goodwill and Intangible Assets Disclosure [Text Block] 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] ABS - Non-Agency RMBS Asset-backed Securities [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Western U.S. Western US [Member] The geographic distribution of collateral to securities holdings located in the Western United States. Northeastern U.S. Northeastern US [Member] The geographic distribution of collateral to securities holdings located in the Northeastern United States. Southeastern U.S. Southeastern US [Member] The geographic distribution of collateral to securities holdings located in the Southeastern United States. Midwestern U.S. Midwestern US [Member] The geographic distribution of collateral to securities holdings located in the Midwestern United States. Southwestern U.S. Southwestern US [Member] The geographic distribution of collateral to securities holdings located in the Southwestern United States. Outstanding Face Amount Percentage Investment Owned, Percent of Net Assets Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [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 Value Reported Value Measurement [Member] Estimated Fair Value Estimate of Fair Value Measurement [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets Assets, Fair Value Disclosure [Abstract] Real estate securities, available-for-sale Available-for-sale Securities, Debt Securities Real estate securities, available-for-sale - pledged as collateral Pledged Assets Separately Reported, Mortgage-Related Securities Available-for-sale or Held-for-investment Real estate related and other loans, held-for-sale, net Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Commercial, Real Estate Residential mortgage loans, held-for-sale, net Cash and cash equivalents Restricted cash Restricted Cash and Cash Equivalents Non-hedge derivative assets Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Liabilities Liabilities, Fair Value Disclosure [Abstract] Repurchase agreements Securities Sold under Agreements to Repurchase Credit facilities - Traditional Golf term loan Loans Payable, Fair Value Disclosure Junior subordinated notes payable Junior Subordinated Notes Subsequent Events [Abstract] SUBSEQUENT EVENTS Subsequent Events [Text Block] Commitments and Contingencies Disclosure [Abstract] Operating lease term Lessee, Operating Lease, Term of Contract Number of renewal terms Lessee, Operating Lease, Number of Renewal Terms Lessee, Operating Lease, Number of Renewal Terms Renewal term Lessee, Operating Lease, Renewal Term Derivative [Table] Derivative [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash flow hedges Cash Flow Hedging [Member] Not designated as hedging instrument Not Designated as Hedging Instrument [Member] Net realized (gain) loss on derivatives designated as cash flow hedges Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest expense Interest Expense [Member] Realized and unrealized (gain) loss on investments Gain (Loss) on Investments [Member] Interest rate swap Interest Rate Swap [Member] Other Contract Other Contract [Member] Derivative [Line Items] Derivative [Line Items] Deferred hedge gain reclassified from Accumulated Other Comprehensive Income (“AOCI”) into earnings Unrealized loss on interest rate derivatives Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments Unrealized (gain) loss recognized related to TBAs Gain (Loss) on Sale of Derivatives Realized loss on settlement of TBAs, net Gain (Loss) On Settlement Of TBAs Amount of income (loss) recognized on the settlement of TBAs in the income statement. Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Trade name Trade Names [Member] Leasehold Intangibles Leasehold Intangibles Information pertaining to Leashold intangibles. Management contracts Contractual Rights [Member] Internally-developed software Software Development [Member] Membership base Membership Base Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships. Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Estimated useful lives Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Residential Residential Portfolio Segment [Member] Corporate Loans Outstanding Face Amount Loan Count (in loans) Weighted Average Yield (as percent) Weighted Average Yield Weighted average of all yield rates for each asset type. Weighted Average Coupon (as percent) Mortgage Loans on Real Estate, Interest Rate Weighted Average Life Weighted Average Life (Years) Weighted average of the remaining years to maturity for each asset type. Floating Rate Loans as % of Face Amount (as percent) Floating Rate Loans as a % of Face Amount Percentage comparing floating rate loans against the stated principal amount of outstanding investments in real estate related loans. Delinquent Face Amount Face amount of real estate related loans on non-accrual status Financing Receivable, Recorded Investment, Nonaccrual Status Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Buildings and improvements Building Improvements [Member] Capital leases - equipment Assets Held under Capital Leases [Member] Furniture, fixtures and equipment Furniture and Fixtures [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Estimated useful lives Property, Plant and Equipment, Useful Life Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Affiliated Entity Affiliated Entity [Member] Subprime Portfolio I Subprime Portfolio I [Member] Company's holdings in Subprime Mortgage Loans Portfolio I. Subprime Portfolio II Subprime Portfolio II [Member] Company's holdings in Subprime Mortgage Loans Portfolio II. Subprime Mortgage Loans Subject to Call Option Subprime Mortgage Loans Subject to Call [Member] Financing arrangement that represents a contractual right to receive money either on demand or on fixed or determinable dates related to subprime residential financing. Subject to call options. CDO Collateralized Debt Obligations [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Lease term Lease term Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Period management fee earned Management Fee Earned Upon Affirmative Vote of at least Two-Thirds of Independent Directors, Period Management Fee Earned Upon Affirmative Vote of at least Two-Thirds of Independent Directors, Period Manager advisory fee (as percent) Manager Advisory Fee The percentage of the company's gross equity, inclusive of adjustments for return of capital dividends, which is due to the manager each fiscal year as fees for advisory and other services. Incentive compensation percentage (as percent) Incentive compensation percentage The incentive compensation percentage to be paid to the Manager. Simple interest rate in incentive calculation (as percent) Simple interest rate in incentive calculation Interest rate utilized in incentive compensation calculation. Shares held by Fortress and affiliates (in shares) Shares held by Fortress and affiliates Number of shares of the company's stock held by Fortress investments directly and through affiliates. Stock options outstanding (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options Due to affiliates Due to Affiliate Servicing fee percentage (as percent) Servicing fee percentage The servicing fee, on a percentage basis, on the unpaid principal balance of Subprime Portfolios. Total securitized loans (unpaid principal balance) Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement Number of securities (in securities) Investment Owned, Balance, Contracts Investments in and advances to affiliates, at fair value, gross additions Investments in and Advances to Affiliates, at Fair Value, Gross Additions Expected yield (as percent) Expected yield The expected yield of investments in CDOs made with affiliates. Proceeds from collection of notes receivable Proceeds from Collection of Notes Receivable Corporate loan investment Interest income Interest and Dividend Income, Operating Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Measured on a Recurring Basis Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 2 Market Quotations (Observable) Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Market Quotations (Unobservable) Market Approach Valuation Technique [Member] Internal Pricing Models Internal Pricing Models [Member] Internal Pricing Models [Member] ABS - Non-Agency RMBS Residential Mortgage Backed Securities [Member] FNMA/FHLMC US Government Agencies Debt Securities [Member] TBA contracts Forward Contracts [Member] Derivative assets: Assets [Abstract] Real estate securities, available-for-sale: Available-for-sale Securities Derivative assets total Income Tax Disclosure [Abstract] Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State and Local Current State and Local Tax Expense (Benefit) Total Current Provision Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State and Local Deferred State and Local Income Tax Expense (Benefit) Total Deferred Benefit Deferred Income Tax Expense (Benefit) Total Provision for Income Taxes Income Tax Expense (Benefit) Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Residential Mortgage Loans Residential Mortgage [Member] Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable, Allowance for Credit Losses [Line Items] Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Beginning balance Loans and Leases Receivable, Allowance Charge-offs Allowance for Loan and Lease Losses, Write-offs Valuation allowance on loans Ending balance Golf Investments Golf Investments [Member] Information pertaining to investments in golf facilities. Amortized intangible assets: Finite-Lived Intangible Assets, Net [Abstract] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Carrying Value Finite-Lived Intangible Assets, Net Nonamortizable liquor licenses Indefinite-Lived License Agreements Total Intangibles, Gross Carrying Amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Total Intangibles, Net Carrying Value Intangible Assets, Net (Excluding Goodwill) Level 3 Market Quotations (Unobservable) 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] Balance at December 31, 2016 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Total gains (losses) Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings [Abstract] Included in other comprehensive income (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Amortization included in interest income Amortization included in interest income Amount of amortization included in interest income for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Purchases, sales and repayments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) [Abstract] Proceeds Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Balance at June 30, 2017 Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 TRANSACTIONS WITH AFFILIATES AND AFFILIATED ENTITIES Related Party Transactions Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Deferred tax assets: Components of Deferred Tax Assets [Abstract] Allowance for loan losses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses Depreciation and amortization Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Accrued expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Interest Deferred Tax Assets, Interest Deferred Tax Assets, Interest Net operating losses Deferred Tax Assets, Operating Loss Carryforwards Capital losses Deferred Tax Assets, Capital Loss Carryforwards Other Deferred Tax Assets, Other Total deferred tax assets Deferred Tax Assets, Gross Less valuation allowance Deferred Tax Assets, Valuation Allowance Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Leaseholds Deferred Tax Liabilities, Property, Plant and Equipment Cancellation of debt Deferred Tax Assets, Cancellation of Debt Deferred Tax Assets, Cancellation of Debt Other Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred income tax assets Deferred Tax Assets, Net Income Statement [Abstract] Revenues Revenues [Abstract] Golf course operations Revenue, Net Sales of food and beverages Food and Beverage Revenue Total revenues Revenues Operating costs Operating Costs and Expenses [Abstract] Operating expenses Operating Costs and Expenses Cost of sales - food and beverages Cost of Goods and Services Sold General and administrative expense General and Administrative Expense Management fee to affiliate Management fee to affiliate Fees paid to affiliate which advises the Company on various aspects of its business and manages its day-to-day operations pursuant to a management agreement. Depreciation and amortization Depreciation, Depletion and Amortization Impairment Realized and unrealized loss on investments Total operating costs Operating Expenses Operating loss Operating Income (Loss) Other income (expenses) Noninterest Income [Abstract] Interest and investment income Interest expense Gain on deconsolidation Other income, net Other Nonoperating Gains (Losses) Total other income (expenses) Nonoperating Gains (Losses) (Loss) Income before income tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax expense Net (Loss) Income Preferred dividends Preferred Stock Dividends, Income Statement Impact Net (income) loss attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest (Loss) Income Applicable to Common Stockholders Net Income (Loss) Available to Common Stockholders, Basic (Loss) Income Applicable to Common Stock, per share Income Applicable to Common Stock, per share Heading for income/loss per share of common stock. Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Weighted Average Number of Shares of Common Stock Outstanding Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Dividends Declared per Share of Common Stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Real Estate Real Estate [Member] Other Financing Receivable [Member] Foreign Foreign [Member] The geographic distribution of collateral to securities holdings located in foreign locations. Other Other Locations [Member] The geographic distribution of collateral to securities holdings located in other locations. Percentage of loans (as percent) Percentage of loans Percentage of outstanding loans presented per geographic location. FAIR VALUE OF FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] REAL ESTATE RELATED AND OTHER LOANS AND RESIDENTIAL MORTGAGE LOANS Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Investment [Table] Investment [Table] Land Land [Member] Construction in progress Construction in Progress [Member] Investment [Line Items] Investment [Line Items] Gross Carrying Amount SEC Schedule III, Real Estate, Gross Accumulated Depreciation SEC Schedule III, Real Estate Accumulated Depreciation Net Carrying Value SEC Schedule III, Real Estate Investment Property, Net Held-for-Sale Movement in Mortgage Loans on Real Estate [Roll Forward] Balance at December 31, 2016 Purchases / additional fundings Mortgage Loans on Real Estate, New Mortgage Loans Interest accrued to principal balance Mortgage Loans on Real Estate, Other Additions Settlements Mortgage Loans on Real Estate, Collections of Principal Gain on settlement of loans Mortgage Loans on Real Estate, Gain on Settlement of Loans Mortgage Loans on Real Estate, Gain (Loss) on Settlement of Loans Balance at June 30, 2017 Stockholders' Equity Note [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent event Subsequent Event [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Issued to the independent directors Director [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock options Employee Stock Option [Member] Common stock equivalents Common Stock Equivalents [Member] Common Stock Equivalents [Member] Class of Stock [Line Items] Class of Stock [Line Items] Dividends declared per share of preferred stock (in dollars per share) Preferred Stock, Dividends Per Share, Declared Dividends paid Payments of Ordinary Dividends Shares issued to independent directors (in shares) Stock Issued During Period, Shares, Issued for Services Potentially dilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Dilutive common stock equivalents (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements 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 Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding EQUITY AND EARNINGS PER SHARE Stockholders' Equity Note Disclosure [Text Block] DEBT OBLIGATIONS Debt Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Assets Real estate securities, available-for-sale - pledged as collateral Investments in real estate, net of accumulated depreciation Investments in real estate, net of accumulated depreciation Amount of real estate investment property, net of accumulated depreciation related to investments in real estate. Intangibles, net of accumulated amortization Other investments Equity Method Investments Receivables from brokers, dealers and clearing organizations Receivables from Brokers-Dealers and Clearing Organizations Receivables and other assets Total Assets Assets Liabilities and Equity Liabilities and Equity [Abstract] Liabilities Liabilities [Abstract] Credit facilities and obligations under capital leases Debt and Capital Lease Obligations Dividends payable Dividends Payable Membership deposit liabilities Customer Advances and Deposits Accounts payable, accrued expenses and other liabilities Accounts Payable and Other Accrued Liabilities Total Liabilities Liabilities Commitments and contingencies Commitments and Contingencies Equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.01 par value, 100,000,000 shares authorized, 1,347,321 shares of 9.75% Series B Cumulative Redeemable Preferred Stock, 496,000 shares of 8.05% Series C Cumulative Redeemable Preferred Stock, and 620,000 shares of 8.375% Series D Cumulative Redeemable Preferred Stock, liquidation preference $25.00 per share, issued and outstanding as of June 30, 2017 and December 31, 2016 Preferred Stock, Value, Issued Common stock, $0.01 par value, 1,000,000,000 shares authorized, 66,932,744 and 66,824,304 shares issued and outstanding at June 30, 2017 and December 31, 2016, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Total Equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total Liabilities and Equity Liabilities and Equity Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Total Securities, Available-for-Sale Real Estate Securities Available For Sale [Member] The amount of real estate securities available for sale, as depicted on the company's schedule of carrying value and fair value. Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Total Securities, Pledged as Collateral Securities Pledged as Collateral [Member] Unrealized loss on real estate securities, intent-to-sell, reclassified from AOCI into income Accumulated Net Investment Gain (Loss) Including Portion Attributable to Noncontrolling Interest, Unrealized Loss on Securities [Member] Accumulated Net Investment Gain (Loss) Including Portion Attributable to Noncontrolling Interest, Unrealized Loss on Securities [Member] Outstanding Face Amount Before Impairment - Amortized Cost Basis Before Impairment - Amortized Cost Basis Amortized Cost basis of real estate securities before any impairment charges. Other-Than-Temporary Impairment - Amortized Cost Basis Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held After Impairment - Amortized Cost Basis Available-for-sale Debt Securities, Amortized Cost Basis Gross Unrealized Gains Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Losses Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Carrying Value Weighted Average Rating Debt Instrument, Credit Rating Weighted Average Coupon (as percent) Weighted Average Coupon Weighted average of all coupon rates for each asset type. Weighted Average Principal Subordination (as percent) Weighted Average Principal Subordination Weighted average of all principal subordination rates for all securities holdings in each asset type. Total outstanding face amount of fixed rate securities Total outstanding face amount of fixed rate securities Total outstanding face amount of all the company's holdings of fixed rate securities. Total outstanding face amount of floating rate securities Total outstanding face amount of floating rate securities Total outstanding face amount of all the company's holdings of floating rate securities. Schedule of (gains) recorded in relation to derivatives Derivative Instruments, Gain (Loss) [Table Text Block] Real Estate Securities Real Estate Securities [Member] Specific investment and debt holdings related to real estate securities. Other-than-temporary impairment on securities and other investments Portion of other-than-temporary impairment on securities recognized in other comprehensive income (loss), net of the reversal of other comprehensive loss into net income (loss) Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest, Available-for-sale Securities Fair value of securities Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Face amount of securities sold Face amount of securities sold The stated principal amount of debt securities sold during the period. Average price percentage - sold (as percent) Average price percentage - sold The average price at which securities were sold, depicted as a percentage of the original purchase price. Proceeds from transaction Recognized loss on sale of securities Available-for-sale Securities, Gross Realized Gain (Loss) Repayments of repurchase agreements Proceeds from (Payments for) in Securities Sold under Agreements to Repurchase Summary of impairment (reversal) Summary Of Amounts Recorded In The Statement Of Operations For OTTI [Table Text Block] Summarization of information determined to be disclosed concerning other than temporary impairments (OTTI) of investments reported in the statement of income. Position [Axis] Position [Axis] Position [Domain] Position [Domain] Short Short [Member] Refundable term for initiation fees Refundable term for initiation fees Initiation fees refundable term. Expected life of active golf membership Expected life of active golf membership The expected life of active golf membership. Number of interest rate derivatives held (in derivatives) Number of Interest Rate Derivatives Held Interest rate derivative instruments not designated as hedging instruments at fair value, net Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net Derivative, number of instruments held (in instruments) Derivative, Number of Instruments Held Notional amount Derivative, Notional Amount Margin deposit assets Margin Deposit Assets Ownership in equity investment (as percent) Equity Method Investment, Ownership Percentage Acquisition of servicing rights Payments To Acquire CDO Servicing Rights The cash outflow to obtain servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. Rights may be obtained via (1) acquisition or assumption of a servicing obligation that does not relate to financial assets of the servicer or its consolidated affiliates; or (2) by originating mortgage loans and then (a) transferring the loans to a Variable Interest Entity (VIE) in a transaction that meets the necessary transfer and classification requirements, or (b) transferring the loans in a transaction that meets the requirements for sale accounting. Amortization of servicing rights Amortization of Mortgage Servicing Rights (MSRs) MSR impairment Mortgage Servicing Rights (MSR) Impairment (Recovery) Servicing assets Servicing Asset VIE assets Variable Interest Entity, Consolidated, Carrying Amount, Assets VIE liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities INCOME TAXES Income Tax Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Preferred Stock Preferred Stock [Member] Common Stock Common Stock [Member] Additional Paid- in Capital Additional Paid-in Capital [Member] Accumulated Deficit Retained Earnings [Member] Accumulated Other Comp. Income (Loss) AOCI Attributable to Parent [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Equity (deficit), beginning (in shares) Shares, Issued Equity (deficit), beginning Dividends declared Dividends Issuance of common stock (directors) (in shares) Stock Issued During Period, Shares, New Issues Issuance of common stock (directors) Stock Issued During Period, Value, New Issues Comprehensive income (loss) Comprehensive income (loss) Net loss Other comprehensive income Other Comprehensive Income (Loss), Excluding Deconsolidation, Net of Tax, Other Comprehensive Income (Loss), Excluding Deconsolidation, Net of Tax, Total comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Equity (deficit), ending (in shares) Equity (deficit), ending INVESTMENTS IN REAL ESTATE, NET OF ACCUMULATED DEPRECATION Real Estate Disclosure [Text Block] Subsequent Event [Table] Subsequent Event [Table] Series B preferred stock Series C preferred stock Series D preferred stock Subsequent Event [Line Items] Subsequent Event [Line Items] Dividends declared Schedule of amounts Incurred under management agreement Schedule of Related Party Transactions [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Real Estate Securities Available For Sale Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Amortized Cost Basis Prepayment Speed (as percent) Fair Value Inputs, Prepayment Rate Cumulative Default Rate (as percent) Fair Value Inputs, Probability of Default Number of Options [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Balance (in shares) Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted Average Strike Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Expirations (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Outstanding (in dollars per share) Exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted Average Life Remaining Weighted Average Life Remaining Outstanding, Weighted Average Life Remaining Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Exercisable, Weighted Average Life Remaining Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] CDO VI CDO VI [Member] Debt obligations (bonds payable) to CDO VI. Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Restricted Cash activity: Restricted Cash activity: Restricted cash generated from pay downs on securities and loans Restricted cash generated from paydowns on securities and loans The net cash inflow for the increase associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. These funds are generated from the paydown of securities and loans. Restricted cash used for repayments of CDO and other bonds payable Restricted cash used for repayments of CDO bonds payable The net cash outflow for the decrease associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. These funds were used for repayments of CDO bonds payable. CDO VI deconsolidation: Supplemental non-cash investing and financing activities relating to CDOs Real estate securities Real Estate Securities Real Estate Securities Restricted cash Change in Restricted Cash Change in Restricted Cash CDO and other bonds payable CDO and Other Bonds Payable CDO and Other Bonds Payable Schedule of outstanding options Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of outstanding options summary Schedule of Outstanding Options Summary [Table Text Block] Tabular summary disclosure of the number of share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. Schedule of amounts used in computing basic and diluted EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Deferred revenue Deferred Revenue Security deposits payable Security Deposit Liability Unfavorable leasehold interests Off-market Lease, Unfavorable Accrued rent Accrued Rent Miscellaneous liabilities Other Accrued Liabilities Total Accounts Payable, Accrued Expenses and Other Liabilities Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] Golf Course Operations Revenue Recognition, Policy [Policy Text Block] Operating Expenses Lessee, Leases [Policy Text Block] Derivatives and Hedging Activities Derivatives, Policy [Policy Text Block] Investments in Real Estate, Net Investments in Real Estate, Net [Policy Text Block] Disclosure of accounting policy for investments in real estate. Intangibles, Net Intangible Assets, Finite-Lived, Policy [Policy Text Block] Membership Deposit Liabilities Membership Deposit Liabilities [Policy Text Block] Membership Deposit Liabilities [Policy Text Block] Other Investments Equity Method Investments [Policy Text Block] Impairment of Real Estate and Finite-lived Intangible Assets Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Investment in CDO Servicing Rights Investment in CDO Servicing Rights [Policy Text Block] Disclosure of accounting policy for investments in CDO servicing rights. Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Commitments and Contingencies Commitments and Contingencies, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] ORGANIZATION Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Held by the Manager Management [Member] Issued to the Manager and subsequently transferred to certain of the Manager’s employees Management Employees [Member] Information perataining to the number of the company's outstanding stock options held by the manager's employoees at period end. Award Date [Axis] Award Date [Axis] Award Date [Domain] Award Date [Domain] Issued in 2011 and thereafter Issued in 2011 and Thereafter [Member] Information pertaining to stock options issued in 2011 and thereafter. Weighted average strike price (in dollars per share) Entertainment Golf Entertainment Golf [Member] Entertainment Golf [Member] Corporate Corporate Segment [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Sales of food and beverages Operating costs Cost of sales - food and beverages General and administrative expense GeneralAndAdministrativeExpense1 The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Specific to general and administrative expense, as depicted in disclosures of segment reporting. General and administrative expense - acquisition and transaction expenses Acquisition and transaction expenses This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Other income (expenses) Other Income and Expenses [Abstract] Other (loss) income, net Preferred dividends Investments Cash and restricted cash Cash, Cash Equivalents, and Short-term Investments Other assets Other Assets, Noncurrent Debt, net Long-term Debt, Gross Other liabilities Other Liabilities Preferred stock Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Equity attributable to common stockholders Equity attributable to common stockholders Net total of assets over liabilities, excluding preferred stock and the value of noncontrolling interests. Additions to investments in real estate during the six months ended June 30, 2017 Additions to investments in real estate Additions to investments in real estate during the period. Statement of Comprehensive Income [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Net unrealized gain on available-for-sale securities Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Reclassification of net realized gain on securities into earnings Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Reclassification of net realized gain on deconsolidation of CDO VI Other Comprehensive Income (Loss), Reclassification Adjustment from Deconsolidation, Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from Deconsolidation, Net of Tax Reclassification of net realized gain on derivatives designated as cash flow hedges into earnings Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive (loss) income attributable to Drive Shack Inc. stockholders’ equity Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Total debt obligations Debt Securities Payable [Member] Repurchase Agreements Total Repurchase Agreements [Member] Information pertaining to total repurchase agreements. FNMA/FHLMC Securities FNMA/FHLMC Securities Repurchase Agreements [Member] Debentures, notes, and other debt securities issued by US government agencies, for example, but not limited to, Government National Mortgage Association (GNMA or Ginnie Mae). Excludes US treasury securities and debt issued by government-sponsored Enterprises (GSEs), for example, but is not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB). Credit Facilities and Capital Leases Total Golf Credit Facilities [Member] Information pertaining to debt related to total Golf credit facilities. Traditional Golf Term Loan Golf [Member] Golf [Member] Vineyard II Golf Vineyard II [Member] Information pertaining to debt related to Golf Vineyard II financing facilities. Corporate Corporate Debt Securities [Member] Junior subordinated notes payable Junior Subordinated Debt [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Citi Citi [Member] Citi [Member] Outstanding Face Amount Carrying Value Weighted Average Coupon (as percent) Debt, Weighted Average Interest Rate Variable interest rate spread (as percent) Debt Instrument, Basis Spread on Variable Rate Weighted Average Funding Cost (as percent) Weighted Average Funding Cost The weighted average funding cost of the instrument, including hedges. Depicted as a percentage of total debt proceeds. Weighted Average Life DebtWeightedAverageRemainingLife The weighted average remaining term of maturity of debt instruments, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Face Amount of Floating Rate Debt Face Amount of Floating Rate Debt The face amount of floating rate debt. Accrued interest payable Interest Payable Amortized cost basis Amortized Cost Basis of Collateral The total amortized cost of debt collateral. Carrying value Securities Held as Collateral, at Fair Value Weighted average life Weighted Average Maturity (Years) Of Collateral The weighted average remaining term of maturity of collateral securing debt instruments, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Deferred financing costs Debt Issuance Costs, Net Variable rate (as percent) Debt Instrument, Variable Rate Debt Instrument, Variable Rate Numerator for basic and diluted earnings per share: Numerator for basis and diluted earnings per share: (Loss) Income from continuing operations after preferred dividends and noncontrolling interests Income from continuing operations after preferred dividends and noncontrolling interests Net income (loss) from continuing operations after adjustments for dividends on preferred stock and noncontrolling interests. Denominator: Denominator: Denominator for basic earnings per share - weighted average shares (in shares) Effect of dilutive securities Effect of dilutive securities Options (in shares) Denominator for diluted earnings per share - adjusted weighted average shares (in shares) Basic earnings per share: Earnings Per Share [Abstract] (Loss) Income from continuing operations per share of common stock, after preferred dividends and noncontrolling interests (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share (Loss) Income Applicable to Common Stock, per share (in dollars per share) Diluted earnings per share: Earnings Per Share, Diluted [Abstract] (Loss) Income from continuing operations per share of common stock, after preferred dividends and noncontrolling interests (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share (Loss) Income Applicable to Common Stock, per share (in dollars per share) Schedule of real estate securities holdings Marketable Securities [Table Text Block] Schedule of geographic distribution of collateral securing Drive Shack's ABS Schedule of Geographic Distribution of Collateral Securing ABS [Table Text Block] Schedule detailing the geographic distribution of collateral securing company's debt holdings. Schedule of provisions for income taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of deferred tax assets and liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Realized and unrealized (gain) loss on investments Gain (loss) on settlement of investments, net (Gain) on settlement of real estate securities Available-for-sale Securities, Gross Realized Gains Loss on settlement of real estate securities Losses On Investments This item represents the net total realized and unrealized loss included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding loss of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any losses realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments. Unrealized loss on securities, intent-to-sell Available-for-sale Securities, Gross Unrealized Loss (Gain) loss on settlement of loans held-for-sale Gain (Loss) on Sales of Mortgage Loans Gain (Loss) on Sales of Mortgage Loans Unrealized (gain) loss on non-hedge derivative instruments Gain (loss) on non-hedge derivative instruments Gains of losses recognized by the company on non-hedge derivative instruments and depicted in other income. Realized and unrealized loss on investments Other income (loss), net Component of Operating Income [Abstract] Loss on lease modifications and terminations Gain (Loss) on lease modifications and terminations Gain (loss) related to the termination and/or modification of a lease between the parties. Loss on extinguishment of debt, net Extinguishment of Debt, Gain (Loss), Net of Tax Collateral management fee income, net Management Fees Revenue Equity in earnings of equity method investees Equity (deficit) in earnings of equity method investees This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Gain on disposal of long-lived assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Other (loss) income Other Nonoperating Income (Expense) Other income, net