Shareholders' Equity and Compensation Plans - Reclassifications Out of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Noninterest income	$ 68,725	$ 59,162	$ 67,743
Net interest income	562,592	473,903	360,194
Income before income tax expense	246,526	259,460	168,633
Income tax expense	52,467	56,417	35,578
Net income	$ 194,059	$ 203,043	$ 133,055