CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest Income
Investment securities	$ 195,135	$ 201,930	$ 169,035
Residential real estate loans	89,596	71,328	57,243
Commercial loans	765,959	669,663	548,969
Consumer and other loans	89,160	74,734	54,393
Total interest income	1,139,850	1,017,655	829,640
Interest Expense
Deposits	272,734	162,426	14,526
Securities sold under agreements to repurchase	55,723	36,414	3,200
Federal Home Loan Bank advances	72,620	26,910	17,317
FRB Bank Term Funding	27,097	93,388	0
Other borrowed funds	1,297	1,056	1,329
Subordinated debentures	5,747	5,779	4,889
Total interest expense	435,218	325,973	41,261
Net Interest Income	704,632	691,682	788,379
Provision for credit losses	28,306	14,795	19,963
Net interest income after provision for credit losses	676,326	676,887	768,416
Non-Interest Income
Service charges and other fees	78,894	75,157	72,124
Miscellaneous loan fees and charges	18,694	16,935	15,350
Gain on sale of loans	16,855	12,202	20,032
Gain on sale of securities	30	1,510	620
Other income	13,973	12,275	12,606
Total non-interest income	128,446	118,079	120,732
Non-Interest Expense
Compensation and employee benefits	336,906	309,048	319,303
Occupancy and equipment	47,055	43,578	43,261
Advertising and promotions	16,132	15,430	14,324
Data processing	36,887	33,752	30,823
Other real estate owned and foreclosed assets	217	119	77
Regulatory assessments and insurance	24,194	28,712	12,904
Amortization of core deposit and other intangibles	12,757	9,731	10,658
Other expenses	104,320	86,988	87,518
Total non-interest expense	578,468	527,358	518,868
Income Before Income Taxes	226,304	267,608	370,280
Federal and state income tax expense	36,160	44,681	67,078
Net Income	$ 190,144	$ 222,927	$ 303,202
Basic earnings per share (in dollars per share)	$ 1.68	$ 2.01	$ 2.74
Diluted earnings per share (in dollars per share)	1.68	2.01	2.74
Dividends declared per share (in dollars per share)	$ 1.32	$ 1.32	$ 1.32
Average outstanding shares - basic (in shares)	113,170,157	110,864,501	110,757,473
Average outstanding shares - diluted (in shares)	113,243,427	110,890,447	110,827,933