CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Held-to-maturity, fair value	$ 150,585	$ 0
Preferred stock, par value (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares authorized (in shares)	100,000
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	100,600,000	100,600,000
Common stock, shares issued (in shares)	10,716,796	10,716,796
Series A Preferred Stock
Preferred stock, shares authorized (in shares)		100,000
Noncumulative Preferred Stock
Preferred stock, shares issued (in shares)	34,500	0
Preferred stock, shares outstanding (in shares)	34,500	0