Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Assets
Investment securities - available-for-sale, at fair value, securities pledged to creditors with the right to sell or repledge	$ 37,943	$ 36,781
Debt Securities, Available-for-sale, Restriction Type [Extensible List]	us-gaap:CollateralPledgedMember
Loans, allowance for loan losses	$ 12,356	$ 12,822
Stockholder's Equity:
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	16,000,000	16,000,000
Common stock, shares issued (in shares)	12,919,132	12,253,812
Common stock, shares outstanding (in shares)	12,919,132	12,253,812