CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Debt securities, available-for-sale, amortized cost	$ 575,248,000	$ 698,085,000
Debt securities held-to-maturity	$ 295,688,000	$ 0
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, liquidation preference	$ 1,000	$ 1,000
Preferred stock, shares authorized (in shares)	60,375	60,375
Preferred stock, shares issued (in shares)	60,375	60,375
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	16,978,057	16,978,057
Common stock, shares outstanding (in shares)	16,978,057	16,978,057
Treasury stock, shares (in shares)	117,539	122,995