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Loans Receivable and Other Lending Investments, net - Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Impaired loans |  |  |
Impaired loans with allowance recorded, Recorded Investment | $ 66,500 |  | $ 66,725
Impaired loans with allowance recorded, Unpaid Principal Balance | 66,461 |  | 66,777
Impaired loans with allowance recorded, Related Allowance | (40,888) |  | (40,395)
Impaired loans with no related allowance recorded, Average Recorded Investment | 0 | $ 0 |
Impaired loans with no related allowance recorded, Interest Income Recognized | 0 | 92 |
Impaired loans with allowance recorded, Average Recorded Investment | 66,612 | 230,995 |
Impaired loans with allowance recorded, Interest Income Recognized | 0 | 0 |
Impaired loans, Average Recorded Investment | 66,612 | 230,995 |
Impaired loans, Interest Income Recognized | 0 | 92 |
Senior mortgages |  |  |
Impaired loans |  |  |
Impaired loans with allowance recorded, Recorded Investment | 66,500 |  | 66,725
Impaired loans with allowance recorded, Unpaid Principal Balance | 66,461 |  | 66,777
Impaired loans with allowance recorded, Related Allowance | (40,888) |  | $ (40,395)
Impaired loans with allowance recorded, Average Recorded Investment | 66,612 | 74,390 |
Impaired loans with allowance recorded, Interest Income Recognized | 0 | 0 |
Impaired loans, Average Recorded Investment | 66,612 | 74,390 |
Impaired loans, Interest Income Recognized | 0 | 0 |
Corporate/Partnership loans |  |  |
Impaired loans |  |  |
Impaired loans with allowance recorded, Average Recorded Investment | 0 | 156,605 |
Impaired loans with allowance recorded, Interest Income Recognized | 0 | 0 |
Impaired loans, Average Recorded Investment | 0 | 156,605 |
Impaired loans, Interest Income Recognized | 0 | 0 |
Subordinate mortgages |  |  |
Impaired loans |  |  |
Impaired loans with no related allowance recorded, Average Recorded Investment | 0 | 0 |
Impaired loans with no related allowance recorded, Interest Income Recognized | 0 | 92 |
Impaired loans, Average Recorded Investment | 0 | 0 |
Impaired loans, Interest Income Recognized | $ 0 | $ 92 |

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- Definition The interest income recognized on a cash-basis or accrual method of accounting during the time within that period that the financing receivables were impaired. + References No definition available. + Details
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- Definition Impaired Financing Receivable, With No Related Allowance, Interest Income, Cash Basis Or Accrual Method + References No definition available. + Details
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- Definition Impaired Financing Receivable, With Related Allowance, Interest Income, Cash Basis Or Accrual Method + References No definition available. + Details
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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 + Details
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