Common and Preferred Stock (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Nov. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Class of Stock [Line Items]
Common stock authorized (in shares)	200,000,000	150,000,000			200,000,000	150,000,000
Repurchase program authorized amount	$ 50,000,000			$ 50,000,000
Shares repurchased (in shares)	492,744	826,482	500,495
Repurchase program remaining authorization	$ 50,000,000
Shares issued in connection with DRIP (in shares)	10,081	38,107	62,629
Net proceeds from issuance of preferred stock	$ 0	$ 96,422,000	$ 0
Preferred stock carrying amount	96,422,000	96,422,000
Series I perpetual non-cumulative preferred stock
Class of Stock [Line Items]
Preferred stock issued		$ 100,000,000
Issuance of stock (in shares)		4,000
Preferred stock dividend rate (percent)		6.875%
Net proceeds from issuance of preferred stock		$ 96,400,000
Preferred stock redemption price (in dollars per share)		$ 25,000
Preferred stock carrying amount	$ 96,400,000	$ 96,400,000
Depositary share on Series I perpetual non-cumulative preferred stock
Class of Stock [Line Items]
Preferred stock redemption price (in dollars per share)		$ 25