Repurchase Agreements - Remaining Term to Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 6,563,120	$ 5,381,104
Weighted Average Rate	4.80%	5.59%
WAVG Original Term to Maturity	79	89
Less than 30 days
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 1,742,440	$ 2,855,917
Weighted Average Rate	4.83%	5.61%
WAVG Original Term to Maturity	68	92
30 to 90 days
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 4,820,680	$ 2,525,187
Weighted Average Rate	4.78%	5.58%
WAVG Original Term to Maturity	83	86