Derivative Financial Instruments - Offsetting of Derivative Assets - Derivative Assets, Financial Assets, and Collateral Held by Counterparty (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Total
Net amounts of assets presented in the balance sheet	$ 85,517	$ 99,003
Net amount	85,517	99,003
JP Morgan
Total
Net amounts of assets presented in the balance sheet	2,569	238
Net amount	2,569	238
RJ O'Brien
Total
Net amounts of assets presented in the balance sheet	26,093	29,016
Net amount	26,093	29,016
Morgan Stanley Bank, N.A.
Total
Net amounts of assets presented in the balance sheet	1,785	18,501
Net amount	1,785	18,501
Citibank, N.A.
Total
Net amounts of assets presented in the balance sheet		5,098
Net amount		5,098
Goldman Sachs
Total
Net amounts of assets presented in the balance sheet		5,757
Net amount		5,757
Wells Fargo Bank, N.A.
Total
Net amounts of assets presented in the balance sheet	5,422
Net amount	5,422
Athene Annuity & Life Assurance Company
Total
Net amounts of assets presented in the balance sheet	3,658
Net amount	3,658
Bank of America, N.A.
Total
Net amounts of assets presented in the balance sheet	2,572	1,519
Net amount	2,572	1,519
Other
Total
Net amounts of assets presented in the balance sheet	2,039	2,146
Net amount	2,039	2,146
Interest rate lock commitments
Total
Net amounts of assets presented in the balance sheet	41,379	36,728
Net amount	$ 41,379	$ 36,728