Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Amount
Income tax based on statutory rate	$ 2,994	$ 2,917	$ 2,118	$ 4,844
Tax-exempt interest	(703)	(472)	(1,346)	(940)
Bank-owned life insurance	(133)	(99)	(242)	(181)
State income taxes, net of federal income tax benefit	736	744	545	1,231
Non-deductible acquisition expenses	0	136	0	162
General business credits	(388)	(14)	(771)	(28)
Other	40	6	44	20
Total income tax expense	$ 2,546	$ 3,218	$ 348	$ 5,108
% of Pretax Income
Income tax based on statutory rate	21.00%	21.00%	21.00%	21.00%
Tax-exempt interest	(4.90%)	(3.40%)	(13.30%)	(4.10%)
Bank-owned life insurance	(0.90%)	(0.70%)	(2.40%)	(0.80%)
State income taxes, net of federal income tax benefit	5.20%	5.40%	5.40%	5.30%
Non-deductible acquisition expenses	0.00%	1.00%	0.00%	0.70%
General business credits	(2.70%)	(0.10%)	(7.60%)	(0.10%)
Other	0.20%	0.00%	0.40%	0.10%
Total income tax expense	17.90%	23.20%	3.50%	22.10%