Derivative Financial Instruments - Schedule of Fair Value and Notional Amount of Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Derivative [Line Items]
Fair Value	$ 77,447	$ 22,343
Notional Amount	41,557,599	12,215,873
Derivative Liabilities
Derivative [Line Items]
Fair Value	(28,150)	(23,660)
Notional Amount	11,088,734	2,338,485
Derivative Assets
Derivative [Line Items]
Fair Value	105,597	46,003
Notional Amount	30,468,865	9,877,388
TBAs
Derivative [Line Items]
Notional Amount	23,440,000	1,350,000
TBAs | Derivative Liabilities
Derivative [Line Items]
Fair Value	(22,252)	(16,249)
Notional Amount	8,750,000	1,350,000
TBAs | Derivative Assets
Derivative [Line Items]
Fair Value	38,686	0
Notional Amount	14,690,000	0
Interest rate futures
Derivative [Line Items]
Notional Amount	4,400,000	1,540,000
Interest rate futures | Derivative Liabilities
Derivative [Line Items]
Fair Value	(4,721)	(6,915)
Notional Amount	1,969,000	830,500
Interest rate futures | Derivative Assets
Derivative [Line Items]
Fair Value	17,772	16,446
Notional Amount	2,431,300	712,500
Swaptions | Derivative Assets
Derivative [Line Items]
Fair Value	31,119	23,738
Notional Amount	9,850,000	8,245,000
LPCs and IRLCs | Derivative Liabilities
Derivative [Line Items]
Fair Value	(1,177)	(496)
Notional Amount	369,734	157,985
LPCs and IRLCs | Derivative Assets
Derivative [Line Items]
Fair Value	18,020	5,819
Notional Amount	$ 3,497,565	$ 919,888