Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for loan losses	$ 13,452	$ 21,162	$ 10,742
Common stock and additional paid-in capital, shares authorized (in shares)	15,000,000	15,000,000
Common stock and additional paid-in capital, shares issued (in shares)	3,981,117	3,485,018
Common stock and additional paid-in capital, shares outstanding (in shares)	3,981,117	3,485,018
Preferred Shares, Series A
Preferred stock, shares authorized (in shares)	10,000	10,000
Preferred stock, shares issued (in shares)	6,395	6,395
Preferred stock, shares outstanding (in shares)	6,395	6,395
Preferred stock, aggregate liquidation preference	$ 6,395	$ 6,395
Preferred Shares, Series B
Preferred stock, shares authorized (in shares)	20,000	20,000
Preferred stock, shares issued (in shares)	3,210	8,760
Preferred stock, shares outstanding (in shares)	3,210	8,760
Preferred stock, aggregate liquidation preference	$ 3,210	$ 8,760