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Derivative Financial Instruments - Schedule of Fair Value and Notional Amount of Derivatives (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Derivative [Line Items] |  |
Fair Value | $ 70,956 | $ (19,616)
Notional Amount | 9,552,606 | 2,628,677
Derivative Liabilities |  |
Derivative [Line Items] |  |
Fair Value | (7,977) | (33,828)
Notional Amount | 1,778,170 | 1,977,483
Derivative Liabilities | TBAs |  |
Derivative [Line Items] |  |
Fair Value | 0 | (27,020)
Notional Amount | 0 | 1,405,000
Derivative Liabilities | Interest rate futures |  |
Derivative [Line Items] |  |
Fair Value | (4,143) | (3,394)
Notional Amount | 1,076,400 | 141,500
Derivative Liabilities | LPCs and IRLCs |  |
Derivative [Line Items] |  |
Fair Value | (3,834) | (3,414)
Notional Amount | 701,770 | 430,983
Derivative Assets |  |
Derivative [Line Items] |  |
Fair Value | 78,933 | 14,212
Notional Amount | 7,774,436 | 651,194
Derivative Assets | Interest rate swaps |  |
Derivative [Line Items] |  |
Fair Value | 0 | 1,742
Notional Amount | 0 | 50,000
Derivative Assets | TBAs |  |
Derivative [Line Items] |  |
Fair Value | 195 | 952
Notional Amount | 125,000 | 385,000
Derivative Assets | Interest rate futures |  |
Derivative [Line Items] |  |
Fair Value | 5,622 | 0
Notional Amount | 715,900 | 0
Derivative Assets | Swaptions |  |
Derivative [Line Items] |  |
Fair Value | 70,151 | 0
Notional Amount | 6,295,000 | 0
Derivative Assets | LPCs and IRLCs |  |
Derivative [Line Items] |  |
Fair Value | 2,965 | 11,518
Notional Amount | $ 638,536 | $ 216,194

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- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
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