Commitments and Contingencies (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Commitments [Line Items]
Outstanding loan commitments	$ 741,691	$ 680,146
Commitments to extend credit [Member]
Commitments [Line Items]
Outstanding loan commitments	734,153	672,117
Standby letters of credit [Member]
Commitments [Line Items]
Outstanding loan commitments	$ 7,538	$ 8,029