Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Investment securities held-to-maturity (fair value $145,792 and $178,402 at June 30, 2022 and December 31, 2021, respectively)	$ 145,792	$ 178,402
Investment securities available-for-sale (amortized cost $389,584 and $319,474, net of allowance for credit losses of $1,692 and $929 at June 30, 2022 and December 31, 2021, respectively)	389,584	319,474
Allowance for credit losses	$ 1,692	$ 929
Common stock, par value	$ 5	$ 5
Common stock, shares authorized	48,000,000	48,000,000
Common stock, shares issued	31,556,799	31,556,799
Common stock, shares outstanding	29,365,775	29,500,542
Treasury stock, shares	2,191,024	2,056,257