Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Statement of Financial Position [Abstract]
Securities, Available-for-sale, Amortized Cost	$ 6,722,336	$ 6,447,510	$ 5,405,189
Loans held-for-sale, fair value	$ 23,848	$ 34,122	$ 56,257
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	142,586,601	142,532,116	142,359,774
Treasury stock, shares	937,924	936,897	938,629