Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Amount
Income tax based on statutory rate	$ (876)	$ 1,927
Tax-exempt interest	(643)	(468)
Bank-owned life insurance	(109)	(82)
State income taxes, net of federal income tax benefit	(191)	487
Non-deductible acquisition expenses	0	26
General business credits	(383)	(14)
Other	4	14
Total income tax expense (benefit)	$ (2,198)	$ 1,890
% of Pretax Income
Income tax based on statutory rate	21.00%	21.00%
Tax-exempt interest	15.40%	(5.10%)
Bank-owned life insurance	2.60%	(0.90%)
State income taxes, net of federal income tax benefit	4.60%	5.30%
Non-deductible acquisition expenses	0.00%	0.30%
General business credits	9.20%	(0.20%)
Other	0.00%	0.20%
Total income tax expense (benefit)	52.80%	20.60%