Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fixed Rate, Commitments to make loans	$ 75,068	$ 44,352
Fixed Rate, Unused lines of credit	18,531	7,523
Fixed Rate, Standby letters of credit	0	0
Fixed Rate, Total	93,599	51,875
Variable Rate, Commitments to make loans	140,721	114,308
Variable Rate, Unused lines of credit	416,774	382,189
Variable Rate, Standby letters of credit	8,067	7,239
Variable Rate, Total	$ 565,562	$ 503,736