Other Noninterest Income and Other Noninterest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income
Income from life insurance	$ 281	$ 488
Other income	322	226
Total other income	603	714
Expenses
ATM network and debit card expense	790	690
Advertising and public relations	555	456
Vermont franchise tax	678	620
Professional fees	701	625
Director and advisory board fees	502	450
Other expenses	3,934	3,823
Total other expenses	$ 7,160	$ 6,664