Share-based Compensation and Other Employment Benefit Plans - Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Salaries and other personnel expense
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation expense included in non-interest expense	$ 30,610	$ 26,751	$ 26,957
Other operating expense
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation expense included in non-interest expense	1,614	1,153	838
Non-interest expense
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation expense included in non-interest expense	$ 32,224	$ 27,904	$ 27,795