Derivative Financial Instruments - Offsetting of Derivative Assets - Derivative Assets, Financial Assets, and Collateral Held by Counterparty (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Total
Net amounts of assets presented in the balance sheet	$ 225,071	$ 333,695
Net amount	225,071	333,695
RJ O'Brien
Total
Net amounts of assets presented in the balance sheet	88,201	5,219
Net amount	88,201	5,219
Morgan Stanley Bank, N.A.
Total
Net amounts of assets presented in the balance sheet	15,386
Net amount	15,386
Citibank, N.A.
Total
Net amounts of assets presented in the balance sheet	20,846
Net amount	20,846
Bank of America, N.A.
Total
Net amounts of assets presented in the balance sheet	18,896	3,005
Net amount	18,896	3,005
Other
Total
Net amounts of assets presented in the balance sheet	2,025	1,998
Net amount	2,025	1,998
Interest rate lock commitments
Total
Net amounts of assets presented in the balance sheet	79,717	323,473
Net amount	$ 79,717	$ 323,473