Derivative Financial Instruments - Schedule of Fair Value and Notional Amount of Derivatives (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Derivative [Line Items]
Fair Value	$ 150,971	$ 22,343
Notional Amount	22,366,020	12,215,873
Derivative Liabilities
Derivative [Line Items]
Fair Value	(68,826)	(23,660)
Notional Amount	5,841,116	2,338,485
Derivative Assets
Derivative [Line Items]
Fair Value	219,797	46,003
Notional Amount	16,524,904	9,877,388
Interest rate swaps | Derivative Liabilities
Derivative [Line Items]
Fair Value	(10,519)	0
Notional Amount	1,000,000	0
TBAs | Derivative Liabilities
Derivative [Line Items]
Fair Value	(27,082)	(16,249)
Notional Amount	2,760,000	1,350,000
TBAs | Derivative Assets
Derivative [Line Items]
Fair Value	61,249	0
Notional Amount	5,960,000	0
Interest rate futures | Derivative Liabilities
Derivative [Line Items]
Fair Value	(30,379)	(6,915)
Notional Amount	1,739,500	830,500
Interest rate futures | Derivative Assets
Derivative [Line Items]
Fair Value	19,876	16,446
Notional Amount	2,006,800	712,500
Swaptions | Derivative Assets
Derivative [Line Items]
Fair Value	124,518	23,738
Notional Amount	6,550,000	8,245,000
LPCs and IRLCs | Derivative Liabilities
Derivative [Line Items]
Fair Value	(846)	(496)
Notional Amount	341,616	157,985
LPCs and IRLCs | Derivative Assets
Derivative [Line Items]
Fair Value	14,154	5,819
Notional Amount	$ 2,008,104	$ 919,888