Revenue from Contracts with Customers - Schedule of Revenue from External Customers by Products and Services (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue from External Customer [Line Items]
Total noninterest income in-scope of ASC 606	$ 112,619,000	$ 76,866,000	$ 77,299,000
Total noninterest income (loss) out-of-scope of ASC 606	11,298,000	(314,619,000)	(549,000)
Total noninterest income (loss)	123,917,000	(237,753,000)	76,750,000
Trust and investment advisory fees
Revenue from External Customer [Line Items]
Total noninterest income in-scope of ASC 606	46,126,000	24,264,000	23,593,000
Service charges on deposit accounts
Revenue from External Customer [Line Items]
Total noninterest income in-scope of ASC 606	32,004,000	28,631,000	30,392,000
Debit card processing fees
Revenue from External Customer [Line Items]
Total noninterest income in-scope of ASC 606	14,177,000	13,469,000	12,644,000
Other non-interest income
Revenue from External Customer [Line Items]
Total noninterest income in-scope of ASC 606	20,312,000	10,502,000	10,670,000
Early Withdrawal Penalty
Revenue from External Customer [Line Items]
Total noninterest income in-scope of ASC 606	$ 7,800,000	$ 0	$ 0