Derivative Financial Instruments - Offsetting of Derivative Assets - Derivative Assets, Financial Assets, and Collateral Held by Counterparty (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Total
Net amounts of assets presented in the balance sheet	$ 190,612	$ 179,079
Net amount	190,612	179,079
RJ O' Brien
Total
Net amounts of assets presented in the balance sheet	42,234	74,010
Net amount	42,234	74,010
JPMorgan Chase Bank, N.A.
Total
Net amounts of assets presented in the balance sheet	5,034	873
Net amount	5,034	873
Goldman Sachs
Total
Net amounts of assets presented in the balance sheet	4,488	8,473
Net amount	4,488	8,473
Barclays Capital
Total
Net amounts of assets presented in the balance sheet	3,671
Net amount	3,671
Morgan Stanley Bank, N.A.
Total
Net amounts of assets presented in the balance sheet	3,226
Net amount	3,226
Citibank, N.A.
Total
Net amounts of assets presented in the balance sheet	2,187	2,947
Net amount	2,187	2,947
Bank of Montreal
Total
Net amounts of assets presented in the balance sheet	2,129	137
Net amount	2,129	137
Mizuho Bank, Ltd.
Total
Net amounts of assets presented in the balance sheet	2,015	1,467
Net amount	2,015	1,467
Others
Total
Net amounts of assets presented in the balance sheet	4,791	859
Net amount	4,791	859
Interest rate lock commitments
Total
Net amounts of assets presented in the balance sheet	120,837	90,313
Net amount	$ 120,837	$ 90,313