Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Interest income:
Loans, including fees	$ 170,160	$ 168,328
Investment securities:
Taxable	40,932	36,263
Tax-exempt	1,527	1,546
Other interest income	2,020	5,952
Total interest income	214,639	212,089
Interest expense:
Savings deposits	20,450	19,916
Time deposits	25,500	21,276
Securities sold under repurchase agreements	4,304	5,240
Other borrowings	1,476	70
Junior subordinated deferrable interest debentures	1,690	1,979
Total interest expense	53,420	48,481
Net interest income	161,219	163,608
Credit loss expense	3,329	12,978
Net interest income after provision for credit losses	157,890	150,630
Non-interest income:
Other investments (loss) income, net	(1,258)	1,623
Other income	4,194	5,603
Total non-interest income	37,003	42,242
Non-interest expense:
Employee compensation and benefits	38,611	35,867
Occupancy	6,406	5,677
Depreciation of bank premises and equipment	5,613	5,629
Professional fees	3,571	3,691
Deposit insurance assessments	1,770	1,699
Net operations, other real estate owned	376	30
Advertising	1,721	1,820
Software and software maintenance	5,410	5,312
Other	10,297	9,918
Total non-interest expense	73,775	69,643
Income before income taxes	121,118	123,229
Provision for income taxes	24,226	25,898
Net income	$ 96,892	$ 97,331
Basic earnings per common share:
Weighted average number of shares outstanding (in shares)	62,213,966	62,150,378
Net income per common share (in dollars per share)	$ 1.56	$ 1.57
Fully diluted earnings per common share:
Weighted average number of shares outstanding (in shares)	62,304,991	62,267,293
Net income per common share (in dollars per share)	$ 1.56	$ 1.56
Service charges on deposit accounts
Non-interest income:
Service charges on deposit accounts	$ 17,667	$ 18,267
Other service charges, commissions and fees, Banking
Non-interest income:
Service charges on deposit accounts	14,065	14,475
Other service charges, commissions and fees, Non-banking
Non-interest income:
Service charges on deposit accounts	$ 2,335	$ 2,274