Loans and Allowance - Major Categories of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]
Loans, net of deferred fees and costs	$ 284,738	$ 299,120
Less: Allowance for loan losses	(2,066)	(2,541)
Loans, net	282,672	296,579
Consumer
Schedule of Available-for-sale Securities [Line Items]
Loans, net of deferred fees and costs	12,076	13,071
Residential Real estate
Schedule of Available-for-sale Securities [Line Items]
Loans, net of deferred fees and costs	81,033	82,637
Indirect
Schedule of Available-for-sale Securities [Line Items]
Loans, net of deferred fees and costs	102,384	116,698
Construction
Schedule of Available-for-sale Securities [Line Items]
Loans, net of deferred fees and costs	3,317	2,317
Commercial Real Estate
Schedule of Available-for-sale Securities [Line Items]
Loans, net of deferred fees and costs	74,021	70,113
Commercial Mortgage Portfolio Segment
Schedule of Available-for-sale Securities [Line Items]
Loans, net of deferred fees and costs	$ 11,907	$ 14,284