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Derivative Financial Instruments - Aggregate Fair Value and Notional Amount of Derivative Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Derivative [Line Items] |  |
Fair Value | $ 29,996 | $ 23,150
Notional Amount | 3,025,270 | 6,861,921
TBAs |  |
Derivative [Line Items] |  |
Notional Amount | 860,000 | 3,310,000
Interest rate futures |  |
Derivative [Line Items] |  |
Notional Amount | 389,000 | 72,000
Derivative Liabilities |  |
Derivative [Line Items] |  |
Fair Value | (6,591) | (3,317)
Notional Amount | 796,947 | 1,619,790
Derivative Liabilities | Interest rate swaps |  |
Derivative [Line Items] |  |
Fair Value | (2,445) | (1,251)
Notional Amount | 226,000 | 283,100
Derivative Liabilities | TBAs |  |
Derivative [Line Items] |  |
Fair Value | (2,004) | (658)
Notional Amount | 405,000 | 870,000
Derivative Liabilities | Interest rate futures |  |
Derivative [Line Items] |  |
Fair Value | (1,615) | (905)
Notional Amount | 115,000 | 62,500
Derivative Liabilities | Residential loan purchase commitments, net |  |
Derivative [Line Items] |  |
Fair Value | (527) | (503)
Notional Amount | 50,947 | 404,190
Derivative Assets |  |
Derivative [Line Items] |  |
Fair Value | 36,587 | 26,467
Notional Amount | 2,228,323 | 5,242,131
Derivative Assets | Interest rate swaps |  |
Derivative [Line Items] |  |
Fair Value | 19,113 | 611
Notional Amount | 644,000 | 161,500
Derivative Assets | TBAs |  |
Derivative [Line Items] |  |
Fair Value | 3,104 | 2,880
Notional Amount | 455,000 | 2,440,000
Derivative Assets | Interest rate futures |  |
Derivative [Line Items] |  |
Fair Value | 1,875 | 25
Notional Amount | 273,600 | 9,000
Derivative Assets | Swaptions |  |
Derivative [Line Items] |  |
Fair Value | 10,488 | 18,318
Notional Amount | 620,000 | 1,660,000
Derivative Assets | Residential loan purchase commitments, net |  |
Derivative [Line Items] |  |
Fair Value | 2,007 | 4,633
Notional Amount | $ 235,723 | $ 971,631

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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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