Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Investment securities available for sale, amortized cost	$ 1,700,233	$ 1,803,898
Allowance for credit losses	17	17
HTM Allowance for credit losses	(2,010)	(766)
HTM fair value	$ 872,710	$ 968,707
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, issued (in shares)	29,917,982	31,346,903
Common stock, outstanding (in shares)	29,917,982	31,346,903