Deposits - Maturities of Certificates (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Time Deposits, Fiscal Year Maturity [Abstract]
Within one year or less	$ 289,742	$ 241,127
After one year through two years	44,215	42,274
After two years through three years	9,772	11,167
After three years through four years	7,864	6,593
After four years through five years	7,084	6,919
After five years	0	0
Time Deposits	$ 358,677	$ 308,080