Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Allowance for credit loss	$ 5,789	$ 5,344
Cumulative preferred nonvoting stock (as a percent)	4.50%	4.50%
Preferred stock, par value (in dollars per share)	$ 50,000	$ 50,000
Common stock, shares authorized (in shares)	180,000,000	180,000,000
Common stock, shares issued (in shares)	62,081,391	62,081,391
Common stock, shares outstanding (in shares)	39,276,518	39,067,902