Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock Common Stock [Member] Redeemable Preferred Stock Redeemable Preferred Stock [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] OPP (LTIP Units) Long Term Incentive Plan Units [Member] Long Term Incentive Plan Units [Member] OP Units OP Units [Member] OP Units [Member] Class B Units Class B Units [Member] Class B Units [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Investor Investor [Member] Service Provider Service Provider [Member] Service Provider [Member] Limited Partner Limited Partner [Member] Agent Agent [Member] Agent [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Merger Agreement Merger Agreement [Member] Merger Agreement [Member] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] At-the-Market Program At-the-Market Program [Member] At-the-Market Program [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum Maximum [Member] Minimum Minimum [Member] Class of Stock [Line Items] Class of Stock [Line Items] Reverse stock split conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Conversion of stock (in shares) Conversion of Stock, Shares Converted Common stock conversion ratio Conversion of Stock, Conversion Ratio Conversion of Stock, Conversion Ratio Equity consideration (in shares) Business Combination, Equity Consideration Transferred Business Combination, Equity Consideration Transferred Value of consideration Business Combination, Consideration Transferred Aggregate offering price Common Stock, Value, Shares Authorized Common Stock, Value of Shares Authorized Number of shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Net proceeds from sale of stock Sale of Stock, Consideration Received on Transaction Stock issuance costs Payments of Stock Issuance Costs Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Consideration received on sale of stock, gross Sale of Stock, Consideration Received on Transaction, Gross Sale of Stock, Consideration Received on Transaction, Gross Proceeds from issuance of preferred stock, net Proceeds from Issuance of Preferred Stock and Preference Stock Proceeds from issuance of preferred stock, net Proceeds from Issuance of Redeemable Preferred Stock Preferred stock, liquidation preference (in dollars per share) Preferred Stock, Liquidation Preference Per Share Preferred stock redemption price per share (in dollars per share) Preferred Stock, Redemption Price Per Share Preferred stock cumulative dividends (in dollars per share) Preferred Stock, Dividend Rate, Per-Dollar-Amount Preferred stock, dividend rate Preferred Stock, Dividend Rate, Percentage Redemption period one Preferred Stock, Redemption, Period One Preferred Stock, Redemption, Period One Redemption period two Preferred Stock, Redemption, Period Two Preferred Stock, Redemption, Period Two Number of share issued per share of convertible preferred stock (in shares) Convertible Preferred Stock, Number Of Share Issued For Each Share Of Convertible Preferred Stock Owned Convertible Preferred Stock, Number Of Share Issued For Each Share Of Convertible Preferred Stock Owned Number of additional directors to be elected (director) Preferred Stock, Voting Rights, Number Of Additional Directors To Be Elected Preferred Stock, Voting Rights, Number Of Additional Directors To Be Elected Number of quarterly dividends payable (quarterly dividend) Preferred Stock, Number Of Quarterly Dividends Payable Preferred Stock, Number Of Quarterly Dividends Payable Dividends paid on the 15th of each month (in dollars per share) Common Stock, Dividend Rate, Per Share Common Stock, Dividend Rate, Per Share Periods for dividend payment Preferred Stock, Dividend Payment, Period Preferred Stock, Dividend Payment, Period Percentage of ordinary dividend income Preferred Stock, Dividend Payment, Percentage Of Ordinary Dividend Income Preferred Stock, Dividend Payment, Percentage Of Ordinary Dividend Income Accounting Policies [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] Real Estate Investing Real Estate Investing [Member] Real Estate Investing [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES United Kingdom UNITED KINGDOM Europe Europe [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenues: Revenues Investments in Real Estate: Real Estate Investment Property, at Cost Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Advisor Advisor [Member] Advisor [Member] Advisor and Service Provider Advisor and Service Provider [Member] Advisor and Service Provider [Member] Property Manager Property Manager [Member] Property Manager [Member] Affiliated Entity Affiliated Entity [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] American Realty Capital Global Advisors, LLC American Realty Capital Global Advisors, LLC [Member] American Realty Capital Global Advisors, LLC [Member] AR Global, LLC AR Global, LLC [Member] AR Global, LLC [Member] American Realty Capital Global Properties, LLC American Realty Capital Global Properties, LLC [Member] American Realty Capital Global Properties, LLC [Member] Related Party Transactions, by Cost [Axis] Related Party Transactions, by Cost [Axis] Related Party Transactions, by Cost [Axis] Related Party Transactions, by Cost [Domain] Related Party Transactions, by Cost [Domain] Related Party Transactions, by Cost [Domain] Third party professional fees and offering costs Third party professional fees and offering costs [Member] Third party professional fees and offering costs [Member] Average Invested Assets Average Invested Assets [Member] Average Invested Assets [Member] Property management and leasing fees Property Management and Leasing Fees [Member] Property Management and Leasing Fees [Member] Fees on gain from sale of investments Transaction Fee [Member] Transaction Fee [Member] Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] Global Net Lease Advisors, LLC Global Net Lease Advisors, LLC [Member] Global Net Lease Advisors, LLC [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Advisor And Scott J. Bowman Advisor And Scott J. Bowman [Member] Advisor And Scott J. Bowman [Member] Scott J. Bowman Scott J. Bowman [Member] Scott J. Bowman [Member] American National Stock Transfer, LLC American National Stock Transfer, LLC [Member] American National Stock Transfer, LLC [Member] RCS Capital RCS Capital [Member] RCS Capital [Member] Barclays Capital Inc. Barclays Capital Inc. [Member] Barclays Capital Inc. [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Chief Executive Officer Chief Executive Officer [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Contribution and Exchange Agreement Contribution and Exchange Agreement [Member] Contribution and Exchange Agreement [Member] The Letter Agreement The Letter Agreement [Member] The Letter Agreement [Member] Amended Advisory Agreement Amended Advisory Agreement [Member] Amended Advisory Agreement [Member] Transfer Agent Fees Transfer Agent Fees [Member] Transfer Agent Fees [Member] Listing Fee Listing Fee [Member] Listing Fee [Member] Personnel and Support Services Personnel and Support Services [Member] Personnel and Support Services [Member] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Multi-Year Outperformance Plan Multi-Year Outperformance Plan [Member] Multi-Year Outperformance Plan [Member] Related Party Fees, by Benchmark [Axis] Related Party Fees, by Benchmark [Axis] Related Party Fees, by Benchmark [Axis] Related Party Fees, Benchmark [Domain] Related Party Fees, Benchmark [Domain] Related Party Fees, Benchmark [Domain] Contract Purchase Price Contract Purchase Price [Member] Contract Purchase Price [Member] Advance on Loan or Other Investment Advance on Loan or Other Investment [Member] Advance on Loan or Other Investment [Member] Amount Available or Outstanding Under Financing Arrangement Amount Available or Outstanding Under Financing Arrangement [Member] Amount Available or Outstanding Under Financing Arrangement [Member] Gross Revenue, Managed Properties Gross Revenue, Managed Properties [Member] Gross Revenue, Managed Properties [Member] Net Income, Excluding Additions to Non-cash Reserves and Gains on Sales of Assets Net Income, Excluding Additions to Non-cash Reserves and Gains on Sales of Assets [Member] Net Income, Excluding Additions to Non-cash Reserves and Gains on Sales of Assets [Member] Property Type [Axis] Property Type [Axis] Property Type [Axis] Property Type [Domain] Property Type [Domain] Property Type [Domain] Stand Alone, Single Tenant, Net Leased Stand Alone, Single Tenant, Net Leased [Member] Stand Alone, Single Tenant, Net Leased [Member] All other properties, other than stand alone, single tenant, net leased All Other Properties, Other than Stand Alone, Single Tenant, Net Leased [Member] All other properties, other than stand alone, single tenant, net leased [Member] Singe Tenant Net Lease, Not Part of Shopping Center Singe Tenant Net Lease, Not Part of Shopping Center [Member] Singe Tenant Net Lease, Not Part of Shopping Center [Member] All Other Property Types, Other Than Stand Alone, Single Tenant, Net Leased and Not Part of Shopping Center All Other Property Types, Other Than Stand Alone, Single Tenant, Net Leased and Not Part of Shopping Center [Member] All Other Property Types, Other Than Stand Alone, Single Tenant, Net Leased and Not Part of Shopping Center [Member] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Unaffiliated Third Party Property Management Services Unaffiliated Third Party Property Management Services [Member] Unaffiliated Third Party Property Management Services [Member] Segment, Geographical [Domain] Fee Benchmark [Axis] Fee Benchmark [Axis] Fee Benchmark [Axis] Fee Benchmark [Domain] Fee Benchmark [Domain] [Domain] for Fee Benchmark [Axis] Mutually Exclusive Option [Axis] Mutually Exclusive Option [Axis] Mutually Exclusive Option [Axis] Mutually Exclusive Option, Options [Domain] Mutually Exclusive Option, Options [Domain] Mutually Exclusive Option, Options [Domain] Greater Of Greater Of [Member] Greater Of [Member] Related Party Transaction, by Frequency [Axis] Related Party Transaction, by Frequency [Axis] Related Party Transaction, by Frequency [Axis] Related Party Transaction, Frequency [Domain] Related Party Transaction, Frequency [Domain] Related Party Transaction, Frequency [Domain] Recurring Fees Recurring Fees [Member] Recurring Fees [Member] Nonrecurring Fees Nonrecurring Fees [Member] Nonrecurring Fees [Member] Related Party Transactions, by Cost Status [Axis] Related Party Transactions, by Cost Status [Axis] Related Party Transactions, by Cost Status [Axis] Related Party Transactions, Cost Status [Domain] Related Party Transactions, Cost Status [Domain] Related Party Transactions, Cost Status [Domain] Forgiven Forgiven [Member] Forgiven [Member] Payable Payable [Member] Payable [Member] Stock Conversion Description [Axis] Stock Conversion Description [Axis] Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] General and Administrative Expense General and Administrative Expense [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Operating partnership units (in shares) Operating Partnership Units Held By Related Party Operating Partnership Units Held By Related Party Due from related parties Due from Affiliates Due to related parties Due to Affiliate Indirect membership interest Noncontrolling Interest, Ownership Percentage by Parent Direct membership interest Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Antidilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Proceeds from issuance of operating partnership units Proceeds from Noncontrolling Interests OP unit distributions paid Dividends, Share-based Compensation Distributions paid Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Dividends payable Dividends Payable Reimbursement from related party Due from Related Parties Acquisition fees as a percentage of benchmark Related Party Transaction, Acquisition Fees Earned by Related Party, Percentage of Benchmark Related Party Transaction, Acquisition Fees Earned by Related Party, Percentage of Benchmark Financing advance fees as a percentage of benchmark Related Party Transaction, Financing Advance Fees Earned by Related Party, Percentage of Benchmark Related Party Transaction, Financing Advance Fees Earned by Related Party, Percentage of Benchmark Acquisition and financing coordination fees as a percentage of benchmark Related Party Transaction, Acquisition and Financing Coordination Fees Earned by Related Party, Percentage of Benchmark Related Party Transaction, Acquisition and Financing Coordination Fees Earned by Related Party, Percentage of Benchmark Financing advance fees as a percentage of benchmark, expected third party costs Related Party Transaction, Financing Advance Fees Earned by Related Party, Percentage of Benchmark, Expected Third Party Acquisition Costs Related party transaction, financing fees earned by related party, percentage of benchmark, expected third party acquisition costs as a percentage of benchmark Equity based compensation Share-based Compensation Lock-out period of transferability or liquidity Conversion of Stock, Lock-out Period Conversion of Stock, Lock-out Period Base fee Related Party Transaction, Minimum Monthly Base Management Fee Related Party Transaction, Minimum Monthly Base Management Fee Variable fee, percent of cumulative net proceeds Related Party Transaction, Monthly Management Variable Fee, Percent Related Party Transaction, Monthly Management Variable Fee, Percent Incentive Compensation, percent payable in cash Related Party Transaction, Incentive Compensation, Percent Payable in Cash Related Party Transaction, Incentive Compensation, Percent Payable in Cash Incentive Compensation, percent payable in shares Related Party Transaction, Incentive Compensation, Percent Payable in Shares Related Party Transaction, Incentive Compensation, Percent Payable in Shares Percent of Core AFFO per weighted average share outstanding in excess of incentive hurdle one Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding in Excess pf Incentive Hurdle One Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding in Excess pf Incentive Hurdle One Percent of Core AFFO per weighted average share outstanding, incentive hurdle one (in dollars per share) Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding, Incentive Hurdle One Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding, Incentive Hurdle One Percent of Core AFFO per weighted average share outstanding in excess of incentive hurdle two Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding in Excess pf Incentive Hurdle Two Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding in Excess pf Incentive Hurdle Two Percent of Core AFFO per weighted average share outstanding, incentive hurdle two (in dollars per share) Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding, Incentive Hurdle Two Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding, Incentive Hurdle Two Percent of Core AFFO per weighted average share outstanding, incentive hurdle annual adjustment Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding, Incentive Hurdle Annual Adjustment, Percent Related Party Transaction, Incentive Compensation, Percent of Core Adjusted Funds from Operations Per Weighted Average Share Outstanding, Incentive Hurdle Annual Adjustment, Percent Minimum base management fee and incentive compensation payable, maximum percent of assets under management, range one Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Maximum Percent of Assets under Management, Range One Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Maximum Percent of Assets under Management, Range One Minimum base management fee and incentive compensation payable, cap on annum aggregate amount, maximum amount of assets under management, range three Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Cap on Annum Aggregate Amount, Maximum Amount of Assets under Management, Range Three Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Cap on Annum Aggregate Amount, Maximum Amount of Assets under Management, Range Three Minimum base management fee and incentive compensation payable, maximum percent of assets under management, range two Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Maximum Percent of Assets under Management, Range Two Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Maximum Percent of Assets under Management, Range Two Minimum base management fee and incentive compensation payable, cap on annum aggregate amount, maximum amount of assets under management, range two Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Cap on Annum Aggregate Amount, Maximum Amount of Assets under Management, Range Two Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Cap on Annum Aggregate Amount, Maximum Amount of Assets under Management, Range Two Minimum base management fee and incentive compensation payable, cap on annum aggregate amount, maximum amount of assets under management, range three calculation base Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Cap on Annum Aggregate Amount, Maximum Amount of Assets under Management, Range Three Calculation Base Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Cap on Annum Aggregate Amount, Maximum Amount of Assets under Management, Range Three Calculation Base Minimum base management fee and incentive compensation payable, cap on annum aggregate amount, maximum amount of assets under management, range three denominator Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Cap on Annum Aggregate Amount, Maximum Amount of Assets under Management, Range Three Denominator Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Cap on Annum Aggregate Amount, Maximum Amount of Assets under Management, Range Three Denominator Minimum base management fee and incentive compensation payable, maximum percent of assets under management, range three Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Maximum Percent of Assets under Management, Range Three Related Party Transaction, Minimum Base Management Fee and Incentive Compensation Payable, Maximum Percent of Assets under Management, Range Three Variable fee payable, maximum sale of investments to trigger possible reduction Related Party Transaction, Variable Fee Payable, Maximum Sale of Investments To Trigger Possible Reduction Related Party Transaction, Variable Fee Payable, Maximum Sale of Investments To Trigger Possible Reduction Oversight fees as a percentage of benchmark Related Party Transaction, Oversight Fees Earned by Related Party, Percentage of Benchmark Related Party Transaction, Oversight Fees Earned by Related Party, Percentage of Benchmark Number of real estate properties, no longer subject to oversight fee (property) Number Of Real Estate Properties, No Longer Subject To Oversight Fee Number Of Real Estate Properties, No Longer Subject To Oversight Fee Property management fee, percent fee Property Management Fee, Percent Fee Operating expenses as a percentage of benchmark Related Party Transaction, Operating Expenses as a Percentage of Benchmark Related party transaction, operating expenses as a percentage of benchmark, fee cap Related party expenses Related Party Transaction, Expenses from Transactions with Related Party Period to reinvest proceeds Related Party Transaction, Period to Reinvest Proceeds Related Party Transaction, Period to Reinvest Proceeds Cash paid for acquired real estate investments Proceeds from Sale of Real Estate Number of properties sold (property) Number of Real Estate Properties Sold Number of Real Estate Properties Sold Gains on dispositions of real estate investments Gains (Losses) on Sales of Investment Real Estate Due to related party Related Party Transaction, Due from (to) Related Party Transaction fee (percent) Related Party Transaction, Rate Return of capital Income Tax, Distribution Percent, Capital Distribution Portion Income Tax, Distribution Percent, Capital Distribution Portion Ordinary dividend income Income Tax, Distribution Percent, Ordinary Dividends Portion Income Tax, Distribution Percent, Ordinary Dividends Portion Total distribution Income Tax, Distribution Percent Income Tax, Distribution Percent Return of capital (in dollars per share) Income Tax, Distribution, Capital Distribution Income Tax, Distribution, Capital Distribution Ordinary dividend income (in dollars per share) Income Tax, Distribution, Ordinary Dividends Portion Income Tax, Distribution, Ordinary Dividends Portion Total distribution (in dollars per share) Income Tax, Distribution Income Tax, Distribution Schedule of Amount Contractually Due and Forgiven in Connection With Operation Related Services Schedule of Amount Contractually Due and Forgiven in Connection With Operation Related Services [Table Text Block] Schedule of Amount Contractually Due and Forgiven in Connection With Operation Related Services [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Gross Amounts of Recognized Assets Derivative Asset, Fair Value, Gross Asset Gross Amounts of Recognized (Liabilities) Derivative Liability, Fair Value, Gross Liability Gross Amounts Offset on the Balance Sheet Derivative Asset, Fair Value, Gross Liability Net Amounts of Assets (Liabilities) presented on the Balance Sheet Derivative Assets (Liabilities), at Fair Value, Net Financial Instruments Derivative, Collateral, Obligation to Return Securities Cash Collateral Received (Posted) Derivative, Collateral, Obligation to Return Cash Derivative, Fair Value, Amount Offset Against Collateral, Net Derivative, Fair Value, Amount Offset Against Collateral, Net Real Estate [Abstract] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [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] In-place leases Leases, Acquired-in-Place [Member] Above market lease assets Above Market Leases [Member] Below-market ground leases Off-Market Favorable Lease [Member] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Intangible assets: Intangible Assets, Net (Excluding Goodwill) [Abstract] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Carrying amount Finite-Lived Intangible Assets, Net Intangible liabilities: Intangible Liabilities, Net (Excluding Goodwill) [Abstract] Intangible Liabilities, Net (Excluding Goodwill) [Abstract] Gross Carrying Amount. Below-market leases Below Market Lease, Gross Accumulated Amortization, Below-market leases Below Market Lease, Accumulated Amortization Net Carrying amount, Below-market leases Below Market Lease, Net Gross Carrying Amount, Above-market ground lease Above Market Lease, Gross Above Market Lease, Gross Accumulated Amortization, Above-market ground lease Above Market Lease, Accumulated Amortization Above Market Lease, Accumulated Amortization Net Carrying amount, Above-market ground lease Above Market Lease, Net Above Market Lease, Net Gross Carrying Amount Off-market Lease, Unfavorable Accumulated Amortization Off-market Lease, Unfavorable, Accumulated Amortization Off-market Lease, Unfavorable, Accumulated Amortization Net Carrying amount Off Market Leases, Unfavorable, Net of Accumulated Amortization Off Market Leases, Unfavorable, Net of Accumulated Amortization Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Quarterly Financial Information Disclosure [Abstract] Schedule of Quarterly Financial Information Quarterly Financial Information [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Puerto Rico PUERTO RICO Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Rent expense Operating Leases, Rent Expense, Net Real estate properties potentially affected by hurricane damage Real Estate Investment Property, Net Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Significant Other Observable Inputs Level 2 Fair Value, Inputs, Level 2 [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Swap Swap [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Derivative Financial Instruments, Assets And Liabilities Derivative Financial Instruments, Assets And Liabilities [Member] Derivative Financial Instruments, Assets And Liabilities [Member] Derivative Financial Instruments, Assets Derivative Financial Instruments, Assets [Member] Derivative Financial Instruments, Liabilities Derivative Financial Instruments, Liabilities [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Foreign currency forwards Forward Contracts [Member] Put options Equity Option [Member] Currency swaps Currency Swap [Member] Interest rate swaps Interest Rate Swap [Member] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] EUR-USD Forwards Euro Member Countries, Euro GBP-USD Forwards United Kingdom, Pounds USD United States of America, Dollars Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivatives, at fair value Interest Rate Derivatives, at Fair Value, Net Document and Entity Information [Abstract] Document and Entity Information [Abstract] 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 Shares, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Disclosure [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior Unsecured Multi-Currency Revolving Credit Facility Senior Unsecured Multi-Currency Revolving Credit Facility [Member] Senior Unsecured Multi-Currency Revolving Credit Facility [Member] New Credit Facility, Dollar New Credit Facility, Dollar [Member] New Credit Facility, Dollar [Member] New Credit Facility, Pounds New Credit Facility, Pounds [Member] New Credit Facility, Pounds [Member] New Credit Facility, Euro New Credit Facility, Euro [Member] New Credit Facility, Euro [Member] Credit Facility Credit Facility [Member] Credit Facility [Member] Credit Facility, Euro Credit Facility, Euro [Member] Credit Facility, Euro [Member] Credit Facility, Pounds Credit Facility, Pounds [Member] Credit Facility, Pounds [Member] Credit Facility, Dollar Credit Facility, Dollar [Member] Credit Facility, Dollar [Member] Bridge Loan Facility Bridge Commitment [Member] Bridge Commitment [Member] Mezzanine Loan Facility Mezzanine Loan [Member] Mezzanine Loan [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit And Term Loan Facility Revolving Credit And Term Loan Facility [Member] Revolving Credit And Term Loan Facility [Member] Revolving Credit Facility Revolving Credit Facility [Member] Term Loan Facility Term Loan Facility [Member] Term Loan Facility [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] KeyBank National Association KeyBank National Association [Member] KeyBank National Association [Member] JPMorgan Chase Bank, N.A. JPMorgan Chase Bank, N.A. [Member] JPMorgan Chase Bank, N.A. [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Unsecured Debt Unsecured Debt [Member] Line of Credit Line of Credit [Member] Mortgage notes payable Mortgages [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Federal Funds Effective Swap Rate Federal Funds Effective Swap Rate [Member] Base Rate Base Rate [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Above Threshold Above Threshold [Member] Above Threshold [Member] Below Threshold Below Threshold [Member] Below Threshold [Member] Line of Credit Facility, Interest Rate, Option Two Line of Credit Facility, Interest Rate, Option Two [Member] Line of Credit Facility, Interest Rate, Option Two [Member] Line of Credit Facility, Interest Rate, Option One Line of Credit Facility, Interest Rate, Option One [Member] Line of Credit Facility, Interest Rate, Option One [Member] Line of Credit Facility, Base Rate, Option Three Line of Credit Facility, Base Rate, Option Three [Member] Line of Credit Facility, Base Rate, Option Three [Member] Line of Credit Facility, Base Rate, Option Two Line of Credit Facility, Base Rate, Option Two [Member] Line of Credit Facility, Base Rate, Option Two [Member] Interest rate swaps (EUR) Cash Flow Hedging [Member] GBP-USD EUR Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Bridge Loan Bridge Loan [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Revolving credit facilities Long-term Line of Credit Unsecured debt Unsecured Debt Mortgage discount Debt Instrument, Unamortized Discount Increase in aggregate commitments Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit Total line of credit commitment Line Of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Line Of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Repayment of debt Repayments of Long-term Debt Number of extensions (extension) Line Of Credit Facility, Number Of Extensions Line Of Credit Facility, Number Of Extensions Extension term on debt Line of Credit Facility, Extension Term Line of Credit Facility, Extension Term Interest rate Debt Instrument, Basis Spread on Variable Rate Debt instrument, weighted average effective interest rate (percent) Long-term Debt, Weighted Average Interest Rate, at Point in Time Unused capacity commitment fee Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Commitment fee Line of Credit Facility, Commitment Fee Percentage, Threshold, Unused Capacity as a Percentage of Current Capacity Line of Credit Facility, Commitment Fee Percentage, Threshold, Unused Capacity as a Percentage of Current Capacity Facility fee multiplier Line of Credit Facility, Unused Capacity, Facility Fee Multiplier Line of Credit Facility, Unused Capacity, Facility Fee Multiplier Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Derivative notional amount Derivative, Notional Amount Derivative, term of contract Derivative, Term of Contract Termination of credit facility Extinguishment of Debt, Amount Borrowings under credit facilities Proceeds from Lines of Credit Repayments Of Debt, With Cash On Hand Repayments Of Debt, With Cash On Hand Repayments Of Debt, With Cash On Hand Borrowings Debt Instrument, Face Amount Term of debt Debt Instrument, Term Commitment fee Debt Instrument, Commitment Fee, Percent Debt Instrument, Commitment Fee, Percent Fair value of debt Long-term Debt, Fair Value Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Debt outstanding Long-term Debt Schedule of Distributions From Tax Perspective Schedule of Distributions From Tax Perspective [Table Text Block] Schedule of Distributions From Tax Perspective [Table Text Block] Schedule of Revenue from External Customers Schedule of Revenue by Major Customers, by Reporting Segments [Table] Below market lease liabilities Below Market Lease [Member] Below Market Lease [Member] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Real estate investments, at cost: Real Estate Investment Property, at Cost [Abstract] Land Business Acquisition, Purchase Price Allocation, Land Acquired in Period Business Acquisition, Purchase Price Allocation, Land Acquired in Period Buildings, fixtures and improvements Business Acquisition, Purchase Price Allocation, Buildings, Fixtures and Improvements Acquired in Period Business Acquisition, Purchase Price Allocation, Buildings, Fixtures and Improvements Acquired in Period Total tangible assets Business Acquisition, Purchase Price Allocation, Tangible Assets Acquired in Period Business Acquisition, Purchase Price Allocation, Tangible Assets Acquired in Period Intangibles acquired: Finite-Lived Intangible Assets, Net [Abstract] Assets acquired Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Acquired in Period Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Acquired in Period Below market lease liabilities Business Acquisition, Purchase Price Allocation, Amortizable Intangible Liability Acquired in Period Business Acquisition, Purchase Price Allocation, Amortizable Intangible Liability Acquired in Period Total assets acquired, net Business Acquisition, Purchase Price Allocation, Assets Acquired in Period, Net Business Acquisition, Purchase Price Allocation, Assets Acquired in Period, Net Cash paid for acquired real estate investments Business Acquisition Cost Of Acquired Entity Cash Paid In Period Business Acquisition Cost Of Acquired Entity Cash Paid In Period Number of properties purchased Number of Businesses Acquired Schedule of Derivative Instruments in 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Asset Management Costs Acquisition and transaction related Business Combination, Acquisition Related Costs Listing fees Vesting of Class B Units Issuance of Stock and Warrants for Services or Claims General and administrative General and Administrative Expense Equity based compensation Stock or Unit Option Plan Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Total expenses Operating Expenses Operating income Operating Income (Loss) Other income (expense): Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Income from investments Net Investment Income Realized losses on investment securities Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments (Losses) gains on derivative instruments Gain (Loss) on Derivative Instruments, Net, Pretax Unrealized (losses) gains on undesignated foreign currency advances and other hedge ineffectiveness Gain (Loss) on Foreign Currency Fair Value Hedge Ineffectiveness Unrealized losses on non-functional foreign currency advances not designated as net investment hedges Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Other income Other Nonoperating Income (Expense) Total other expense, net Nonoperating Income (Expense) Net income before income tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (income) loss attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest Preferred stock dividends Preferred Stock Dividends, Income Statement Impact Net income (loss) attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Basic and Diluted Earnings Per Common Share: Earnings Per Share [Abstract] Basic and diluted net income (loss) per share attributable to common stockholders (in dollars per share) Earnings Per Share, Basic and Diluted Basic and diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Share-based Compensation [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] Stock Option Plan Stock Option Plan [Member] Stock Option Plan [Member] Incentive Restricted Share Plan Incentive Restricted Share Plan [Member] Incentive Restricted Share Plan [Member] Restricted Share Plan Restricted Share Plan [Member] Restricted Share Plan [Member] Employee Stock Option Employee Stock Option [Member] Unvested restricted stock Restricted Stock [Member] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] 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Automatic grant (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Automatic Grant Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Automatic Grant Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Periodic vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Periodic Vesting Percentage Share-based Compensation Arrangement by Share-based Payment Award, Periodic Vesting Percentage Annual retainer payable Share Based Compensation, Annual Retainer Payable Share Based Compensation, Annual Retainer Payable Annual retainer payable, cash percentage Share Based Compensation, Annual Retainer Payable, Cash Percentage Share Based Compensation, Annual Retainer Payable, Cash Percentage Annual retainer payable, restricted stock units percentage Share Based Compensation, Annual Retainer 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Period During Which Additional Units May Be Earned Share-based Compensation Arrangement By Share-based Payment Award, Period During Which Additional Units May Be Earned Award vesting percent Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Equity based compensation, requisite service period Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period Percent of distributions Share-based Compensation Arrangement by Share-based Payment Award, Percent of Distributions Share-based Compensation Arrangement by Share-based Payment Award, Percent of Distributions Distributions to non-controlling interest holders Payments of Ordinary Dividends, Noncontrolling Interest Number of shares vested upon resignation (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of peer group companies merged (company) Number of Companies 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reclassifications of missed forecasted transactions and amounts excluded from effectiveness testing) Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Significant Unobservable Inputs Level 3 Fair Value, Inputs, Level 3 [Member] 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] Fair Value Estimate of Fair Value Measurement [Member] Credit facility Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair value of debt instruments Debt Instrument, Fair Value Disclosure Mortgage notes payable, net Secured Debt Mortgage 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Instruments Not Designated as Hedging Instruments, Asset at Fair Value Remeasurement losses on foreign denominated draws Gain (Loss) on Foreign Currency Derivatives Recorded in Earnings, Net Gain (loss) on derivative Derivative, Gain (Loss) on Derivative, Net Proceeds from the partial termination of derivatives Proceeds From Termination Of Derivative Instrument, Investing Activities Proceeds From Termination Of Derivative Instrument, Investing Activities Proceeds retained by bank to reduce debt balance Termination Proceeds Used to Repay Debt Termination Proceeds Used to Repay Debt Gains included in other comprehensive income (loss) Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion Borrowings under revolving credit facilities Fair value of derivatives in net liability position Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, 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(Premium) Amortization of below-market lease liabilities Amortization of Below-Market Lease Liabilities Amortization of Below-Market Lease Liabilities Amortization of above-market lease assets Amortization of Above-Market Lease Assets Amortization of Above-Market Lease Assets Amortization of above- and below- market ground lease assets Amortization of Above-Market Ground Lease Assets Amortization of Above-Market Ground Lease Assets Bad debt expense Provision for Doubtful Accounts Unbilled straight-line rent Straight Line Rent Unrealized losses (gains) on foreign currency transactions, derivatives, and other Unrealized Gain (Loss) on Foreign Currency Transaction, Derivatives and Other Unrealized Gain (Loss) on Foreign Currency Transaction, Derivatives and Other Unrealized losses (gains) on undesignated foreign currency advances and other hedge ineffectiveness Gain (Loss) on Hedge Ineffectiveness Gain (Loss) on Fair Value Hedge Ineffectiveness Payments for settlement of derivatives Payments For Derivative Instrument, Operating Activities Payments For Derivative Instrument, Operating Activities Unrealized losses on non-functional foreign currency advances not designated as net investment hedges Gain (Loss) on Non-Functional Foreign Currency Advances Not Designated as Hedging Instruments Gain (Loss) on Non-Functional Foreign Currency Advances Not Designated as Hedging Instruments Gains on dispositions of real estate investments Gain (Loss) on Sale of Properties Appreciation of investment in securities Unrealized Gain (Loss) on Securities Changes in operating assets and liabilities, net: Increase (Decrease) in Operating Capital [Abstract] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Deferred tax assets Decrease in Deferred Income Taxes Decrease in Deferred Income Taxes Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Prepaid rent Increase (Decrease) in Deferred Revenue Deferred tax liability Increase in Deferred Income Taxes Increase in Deferred Income Taxes Taxes payable Increase (Decrease) in Income Taxes Payable Net cash 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 [Abstract] Investment in real estate and real estate related assets Capital expenditures Payments to Acquire Productive Assets Proceeds from dispositions of real estate investments Proceeds from Sale of Real Estate Held-for-investment Proceeds from settlement of derivatives Proceeds from Derivative Instrument, Investing Activities Deposits for real estate acquisitions Payments for (Proceeds from) Deposits on Real Estate Acquisitions Proceeds from redemption of investment securities Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Cash acquired in merger transaction Cash Acquired from Acquisition Restricted cash acquired in merger transaction Increase (Decrease) in Restricted Cash Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Repayments on revolving credit facilities Repayments of Lines of Credit Repayment of mezzanine facility Repayments of Assumed Debt Proceeds from mortgage notes payable Proceeds from Secured Notes Payable Payments on mortgage notes payable Repayments of Secured Debt Proceeds from issuance of common stock, net Proceeds from Issuance of Common Stock Proceeds from term loan Proceeds from Issuance of Unsecured Debt Payments of financing costs Payments of Financing Costs Dividends paid on common stock Payments of Ordinary Dividends, Common Stock Dividends paid on preferred stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Distributions to non-controlling interest holders Payments received on related party notes receivable acquired in Merger Proceeds from (Repayments of) Related Party Debt Payments on common stock repurchases, inclusive of fees Payments for Repurchase of Common Stock Payments on share repurchases related to Tender Offer Payments for Repurchase of Tender Offer Payments for Repurchase of Tender Offer Advances from related parties, net Proceeds from Collection of Advance to Affiliate Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents, and restricted cash at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of period Supplemental Disclosures: Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Cash paid for income taxes Income Taxes Paid Non-Cash Investing and Financing Activities: Noncash Investing and Financing Items [Abstract] Mortgage notes payable assumed or used to acquire investments in real estate Noncash, or Part Noncash, Mortgage Notes Payable Secured In Connection With The Acquisition Of Real Estate Noncash, or Part Noncash, Mortgage notes secured simultaneously with the acquisition of real estate assets, which includes land, buildings, fixtures, and land and building improvements. Conversion of OP Units to common stock (Note 1) Conversion of Stock, Amount Converted Related party fees acquired in Merger (Note 3) Noncash or Part Noncash Acquisition, Accounts Receivable Acquired Common stock issued through dividend reinvestment plan Stock Issued During Period, Value, Dividend Reinvestment Plan Total revenue Net income attributable to common stockholders Adjustments to net income attributable to common stockholders for common share equivalents Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities Adjusted net income (loss) attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Diluted Basic and diluted weighted average shares outstanding (in shares) Revisions Additional rental income and unbilled straight-line rent SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract] Real estate investments, at cost: SEC Schedule III, Reconciliation of Carrying Amount of Real Estate 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Operations [Line Items] Operations [Line Items] Operations [Line Items] Number of real estate properties (property) Number of Real Estate Properties Rentable square feet (sqft) Occupancy rate Real Estate Property, Occupancy Rate Real Estate Property, Occupancy Rate Weighted average remaining lease term Real Estate Property, Weighted Average Remaining Lease Term Real Estate Property, Weighted Average Remaining Lease Term Target portfolio investment Portfolio Strategy, Target Geographic Mix, Percentage of Portfolio Investments Portfolio Strategy, Target Geographic Mix, Percentage of Portfolio Investments Share price (in dollars per share) Share Price Common stock issued through dividend reinvestment plan (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Tender offer (in shares) Stock Repurchase Program, Number of Shares Authorized to be Repurchased Tender offer price (in dollars per share) Stock Repurchased During Period, Price Per Share Stock Repurchased During 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Properties Sold Disposal Groups, Including Discontinued Operations [Table Text Block] Schedule of Finite-Lived Intangible Assets and Liabilities Schedule Of Finite-Lived Intangible Assets And Liabilities [Table Text Block] Schedule Of Finite-Lived Intangible Assets And Liabilities [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-18 Accounting Standards Update 2016-18 [Member] Summary Of Significant Accounting Policies [Line Items] Summary of Significant Accounting Policies [Line Items] [Line Items] for Summary of Significant Accounting Policies [Table] Straight-line rents receivable Incentive to Lessee Unbilled rental revenue Reduction in income tax payable due to overstatement Taxes Payable Increase in accumulated other comprehensive income (loss) due to understatement Accumulated Other Comprehensive Income (Loss), Net of Tax Adjustments to comprehensive income (loss) attributable to common stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Number of real estate properties held for sale (property) Number of Real Estate Properties Held for Sale Number of Real Estate Properties Held for Sale Lease-up period Lease Up Period Lease Up Period Useful life, buildings Buildings, Useful Life Buildings, Useful Life Useful life, land improvements Land Improvements, Useful Life Land 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[Member] RWE [Member] Rexam Rexam [Member] Rexam [Member] Metro Tonic Metro Tonic [Member] Metro Tonic [Member] ID Logistics I ID Logistics I [Member] ID Logistics I [Member] DB Luxembourg DB Luxembourg [Member] DB Luxembourg[Member] ING Amsterdam ING Amsterdam [Member] ING Amsterdam [Member] McDonald's McDonalds [Member] McDonalds [Member] Wickes Building Supplies I Wickes Building Supplies [Member] Wickes Building Supplies [Member] Everything Everywhere Everything Everywhere [Member] Everything Everywhere [Member] Thames Water Thames Water Utilities Limited [Member] Thames Water Utilities Limited [Member] Wickes Building Supplies II Wickes Building Supplies II [Member] Wickes Building Supplies II [Member] Northern Rock Northern Rock (Asset Management) LLC [Member] Northern Rock (Asset Management) LLC [Member] Wickes Building Supplies III Wickes Building Supplies III [Member] Wickes Building Supplies III [Member] Provident Financial Provident Financial [Member] Provident Financial [Member] Crown Crest Crown Crest [Member] Crown Crest [Member] Aviva Aviva [Member] Aviva [Member] Bradford & Bingley Bradford & Bingley [Member] Bradford & Bingley [Member] Intier Automotive Interiors Intier Automotive Interiors [Member] Intier Automotive Interiors [Member] Capgemini Capgemini [Member] Capgemini [Member] Fujitsu Fujitisu [Member] Fujitisu [Member] Amcor Packaging Amcor Packaging [Member] Amcor Packaging [Member] Fife Council Fife Council [Member] Fife Council [Member] Malthrust Malthrust [Member] Malthrust [Member] Talk Talk Talk Talk [Member] Talk Talk [Member] HBOS HBOS [Member] HBOS [Member] DFS Trading, Five Pack DFS Trading, Five Pack [Member] DFS Trading, Five Pack [Member] DFS Trading, Two Pack DFS Trading, Two Pack [Member] DFS Trading, Two Pack [Member] HP Enterprise Services HP Enterprise Services [Member] HP Enterprise Services [Member] Foster Wheeler Foster Wheeler [Member] Foster Wheeler [Member] Harper Collins Harper Collins [Member] Harper Collins [Member] NCR Dundee NCR Dundee, United Kingdom [Member] NCR Dundee, United Kingdom [Member] Quest Diagnostics Quest Diagnostics [Member] Quest Diagnostics [Member] Western Digital Western Digital [Member] Western Digital [Member] [Member] AT&T Services AT&T Services [Member] AT&T Services [Member] FedEx Freight FedEx Freight, United States [Member] FedEx Freight, United States [Member] Veolia Water Veolia Water, United States [Member] Veolia Water, United States [Member] Encanto Restaurants Encanto [Member] Encanto [Member] Adjusted LIBOR Adjusted LIBOR [Member] Adjusted LIBOR [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Encumbered properties (property) Number of Real Estate Properties, Encumbered Number of Real Estate Properties, Encumbered Outstanding loan amount Long-term Debt, Gross Mortgage discount Deferred financing costs, net of accumulated amortization Debt Issuance Costs, Net Mortgage notes payable Effective Interest Rate Debt Instrument, Interest Rate, Effective Percentage Real Estate [Table] Real Estate [Table]