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Fair Value of Financial Instruments - Changes in Unrealized Gains (Losses) Included in Earnings for Level 3 Assets and Liabilities (Details) - Level 3 - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Liabilities |  |  |  |
Multi-family debt held in securitization trusts | $ (190,207) | $ 45,456 | $ (780,378) | $ 284,766
Multi-family loans held in securitization trust |  |  |  |
Assets |  |  |  |
Multi-family loans held in securitization trusts | 197,837 | (33,153) | 802,625 | (252,899)
Investment in unconsolidated entities |  |  |  |
Assets |  |  |  |
Multi-family loans held in securitization trusts | 449 | 4,092 | 1,295 | 5,359
Distressed and other residential mortgage loans, at fair value |  |  |  |
Assets |  |  |  |
Multi-family loans held in securitization trusts | $ 17,413 | $ (629) | $ 37,079 | $ (754)

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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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