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Income Taxes - Summary of Differences in Taxes from Continuing Operations Computed at Statutory Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Provision at statutory rate	$ 114,394	$ 71,161	$ 53,667
Tax-exempt income:
Tax-exempt interest	(14,588)	(11,066)	(10,776)
Section 291/265 interest disallowance	363	114	189
Company-owned life insurance income	(2,891)	(2,138)	(2,290)
Tax-exempt income	(17,116)	(13,090)	(12,877)
State income taxes	20,837	9,308	4,840
Tax credit investments - federal	(9,140)	(5,212)	(15,159)
Officer compensation limitation	5,903	564	598
Other, net	1,568	(1,407)	(1,922)
Income tax expense	$ 116,446	$ 61,324	$ 29,147
Effective tax rate	21.40%	18.10%	11.40%

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