Income Taxes - Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Income tax provision at statutory rate	$ 5,907	$ 6,000
Tax exempt income	(225)	(129)
Nondeductible items resulting in increase in tax	129	279
Decrease in tax resulting from other items	(78)	(87)
Equity compensation	(691)	(571)
Executive compensation	112	135
Bargain purchase gain	0	(1,594)
ESOP	259	190
Income Tax Expense (Benefit), Total	$ 5,413	$ 4,223
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Income tax provision at statutory rate	21.00%	21.00%
Tax exempt income	(0.80%)	(0.50%)
Nondeductible items resulting in increase in tax	0.50%	1.00%
Increase in tax resulting from other items	(0.30%)	(0.30%)
Equity compensation	(2.50%)	(2.00%)
Executive compensation	0.40%	0.50%
Bargain purchase gain	0.00%	(5.60%)
ESOP	0.90%	0.70%
Total	19.20%	14.80%

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