Commitments and Contingencies (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Commitments [Line Items]
Outstanding loan commitments	$ 844,593	$ 855,885
Commitments to extend credit [Member]
Commitments [Line Items]
Outstanding loan commitments	822,906	832,590
Standby letters of credit [Member]
Commitments [Line Items]
Outstanding loan commitments	$ 21,687	$ 23,295