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Loans Receivable and Other Lending Investments, net - Schedule of Loans Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross carrying value of loans	$ 844,624	$ 919,493
Reserves for loan losses	(53,298)	(53,395)	$ (69,466)	$ (78,489)
Total loans receivable, net	791,326	866,098
Other lending investments—securities	103,520	122,126
Total loans receivable and other lending investments, net	894,846	988,224
Senior mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross carrying value of loans	690,860	760,749
Corporate/Partnership loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross carrying value of loans	143,426	148,583
Subordinate mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross carrying value of loans	$ 10,338	$ 10,161

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- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date, net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics. In addition, amount also includes total debt and equity financial instruments including: securities held-to-maturity and securities available-for-sale.

+ References

No definition available.

+ Details

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X

- Definition

Reflects the aggregate gross carrying amount of all categories of loans held in portfolio, after deducting deferred income, but before deducting the allowance for losses on loans.

+ References

No definition available.

+ Details

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X

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

No definition available.

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X

- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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- Details

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- Details

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