Commitments and Credit Risk (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Total commitments	$ 2,172,934	$ 1,951,163
Commitments to originate loans
Loss Contingencies [Line Items]
Total commitments	226,902	118,651
Standby letters of credit
Loss Contingencies [Line Items]
Total commitments	53,761	51,114
Lines of credit
Loss Contingencies [Line Items]
Total commitments	1,876,281	1,768,231
Future lease commitments
Loss Contingencies [Line Items]
Total commitments	11,100	11,100
Commitments related to investment fund [Member]
Loss Contingencies [Line Items]
Total commitments	$ 4,890	$ 2,067