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Fair Value of Financial Instruments (Level 3 Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Unsettled residential whole loans | $ 131,300 |  | $ 131,300 |
Recurring basis | Level 3 | Residential whole loans |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period | 1,207,997 | $ 1,243,792 | 1,216,902 | $ 1,381,583
Purchases and capitalized advances | 837,859 | 4,679 | 837,859 | 8,198
Originations and draws | 423 | 0 | 423 | 0
Changes in fair value recorded in Net gain on residential whole loans measured at fair value through earnings | 6,226 | 2,010 | 38,313 | (72,546)
Repayments | (38,932) | (28,608) | (64,502) | (52,412)
Sales and repurchases | 430 | (18,225) | 430 | (18,530)
Transfer to REO | (10,423) | (2,667) | (25,845) | (45,312)
Balance at end of period | $ 2,003,580 | $ 1,200,981 | $ 2,003,580 | $ 1,200,981

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Collection Of Principal + References No definition available. + Details
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- Definition Unsettled Residential Whole Loans + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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