Commitments - Schedule of Financial Commitments whose Contractual Amount Represents Credit Risk (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Loss Contingencies [Line Items]
Financial commitments, contractual amount, Fixed Rate	$ 58,274	$ 70,145
Financial commitments, contractual amount, Variable Rate	271,925	202,191
Commitments to Make Loans
Loss Contingencies [Line Items]
Financial commitments, contractual amount, Fixed Rate		5,211
Financial commitments, contractual amount, Variable Rate	167,496	125,610
Unused Lines of Credit
Loss Contingencies [Line Items]
Financial commitments, contractual amount, Fixed Rate	55,789	61,191
Financial commitments, contractual amount, Variable Rate	102,841	75,908
Commercial and Similar Letters of Credit
Loss Contingencies [Line Items]
Financial commitments, contractual amount, Fixed Rate		1,042
Financial commitments, contractual amount, Variable Rate	358
Standby Letters of Credit
Loss Contingencies [Line Items]
Financial commitments, contractual amount, Fixed Rate	2,485	2,701
Financial commitments, contractual amount, Variable Rate	$ 1,230	$ 673