Derivative Financial Instruments - Offsetting of Derivative Assets - Derivative Assets, Financial Assets, and Collateral Held by Counterparty (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Total
Net amounts of assets presented in the balance sheet	$ 180,642	$ 113,076
Net amount	180,642	113,076
RJ O' Brien
Total
Net amounts of assets presented in the balance sheet	24,621	15,842
Net amount	24,621	15,842
Morgan Stanley Bank, N.A.
Total
Net amounts of assets presented in the balance sheet	4,597	15,260
Net amount	4,597	15,260
Bank of America, N.A.
Total
Net amounts of assets presented in the balance sheet		8,221
Net amount		8,221
Bank of Montreal
Total
Net amounts of assets presented in the balance sheet		3,781
Net amount		3,781
Mizuho Bank, Ltd.
Total
Net amounts of assets presented in the balance sheet	2,108	1,683
Net amount	2,108	1,683
Others
Total
Net amounts of assets presented in the balance sheet	4,452	6,731
Net amount	4,452	6,731
Athene Annuity & Life Assurance Company
Total
Net amounts of assets presented in the balance sheet		2,352
Net amount		2,352
BNP Paribas
Total
Net amounts of assets presented in the balance sheet		2,260
Net amount		2,260
South Street Securities
Total
Net amounts of assets presented in the balance sheet	1,803
Net amount	1,803
Interest rate lock commitments
Total
Net amounts of assets presented in the balance sheet	143,061	56,946
Net amount	$ 143,061	$ 56,946