CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Available for sale debt securities, amortized cost	$ 1,166,340	$ 1,051,800
Allowance for credit losses on securities	$ 0	$ 0
Common stock, par value (in dollars per share)	$ 0.0625	$ 0.0625
Common stock, shares authorized (in shares)	60,000,000	60,000,000
Common stock, shares issued (in shares)	17,363,457	17,363,457
Common stock, shares outstanding (in shares)	17,182,753	17,330,818
Treasury stock (in shares)	180,704	32,639