Consolidated Statements of Income and Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Interest income
Interest and fees on loans	$ 304,168	$ 303,393
Interest on taxable securities	18,492	13,092
Interest on nontaxable securities	329	330
Interest on deposits in other banks and federal funds sold	10,789	12,637
Total interest income	333,778	329,452
Interest expense
Interest on deposits	105,215	118,174
Interest on other borrowings	6,724	9,890
Total interest expense	111,939	128,064
Net interest income	221,839	201,388
Provision for loan losses	16,519	25,523
Provision for unfunded commitments	5,373	(4,422)
Provision for other credit losses	0	4
Provision for credit losses	21,892	21,105
Net interest income after provision for credit losses	199,947	180,283
Noninterest income
Service charges on deposit accounts	13,133	11,759
Mortgage banking activity	35,254	39,430
Other service charges, commissions and fees	1,109	1,202
Net gain (loss) on securities	40	(7)
Equipment finance activity	6,698	5,336
Other noninterest income	7,789	8,158
Total noninterest income	64,023	65,878
Noninterest expense
Salaries and employee benefits	86,615	82,930
Occupancy and equipment	10,677	12,885
Data processing and communications expenses	14,855	14,654
Credit resolution-related expenses	765	486
Advertising and marketing	2,883	2,467
Amortization of intangible assets	4,103	4,422
Loan servicing expense	7,823	9,439
Other noninterest expenses	23,313	21,428
Total noninterest expense	151,034	148,711
Income before income tax expense	112,936	97,450
Income tax expense	25,001	23,138
Net income	87,935	74,312
Other comprehensive income (loss)
Net unrealized holding gains (losses) arising during period on debt securities available-for-sale, net of tax expense (benefit) of $5,220 and $(1,399)	15,689	(4,020)
Total other comprehensive income (loss)	15,689	(4,020)
Comprehensive income	$ 103,624	$ 70,292
Basic earnings per common share (in dollars per share)	$ 1.28	$ 1.08
Diluted earnings per common share (in dollars per share)	$ 1.27	$ 1.08
Weighted average common shares outstanding
Basic (in shares)	68,785,458	68,808,393
Diluted (in shares)	69,030,331	69,014,116