Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Securities available for sale, amortized cost	$ 63,883	$ 47,762
Held to maturity securities, fair value	0	14,802
Equity securities, amortized cost	$ 2,218	$ 2,394
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	12,500,000	12,500,000
Common stock, shares issued (in shares)	10,881,000	10,780,000
Common stock, shares outstanding (in shares)	10,881,000	10,780,000