Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Statement of Financial Position [Abstract]
Securities, Available-for-sale, Amortized Cost	$ 5,217,517	$ 5,243,681	$ 5,879,040
Loans held-for-sale, fair value	$ 15,080	$ 11,077	$ 11,766
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000	200,000,000
Common stock, shares issued	142,817,159	142,716,939	142,703,531
Treasury stock, shares	931,427	930,152	927,789