Consolidated Statements of Income and Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Interest income
Interest and fees on loans	$ 317,883	$ 304,168
Interest on taxable securities	25,474	18,492
Interest on nontaxable securities	374	329
Interest on deposits in other banks	8,040	10,789
Total interest income	351,771	333,778
Interest expense
Interest on deposits	96,227	105,215
Interest on other borrowings	11,108	6,724
Total interest expense	107,335	111,939
Net interest income	244,436	221,839
Provision for loan losses	17,895	16,519
Provision for unfunded commitments	(1,338)	5,373
Provision for other credit losses	(6)	0
Provision for credit losses	16,551	21,892
Net interest income after provision for credit losses	227,885	199,947
Noninterest income
Service charges on deposit accounts	13,679	13,133
Mortgage banking activity	37,008	35,254
Other service charges, commissions and fees	1,027	1,109
Net gain on securities	0	40
Equipment finance activity	9,086	6,698
Other noninterest income	9,120	7,789
Total noninterest income	69,920	64,023
Noninterest expense
Salaries and employee benefits	91,366	86,615
Occupancy and equipment	11,625	10,677
Advertising and marketing	3,296	2,883
Amortization of intangible assets	3,393	4,103
Data processing and communications expenses	16,793	14,855
Legal and other professional fees	5,032	3,702
Credit resolution-related expenses	509	765
FDIC insurance	2,937	3,239
Loan servicing expense	7,380	7,823
Other noninterest expenses	14,749	16,372
Total noninterest expense	157,080	151,034
Income before income tax expense	140,725	112,936
Income tax expense	30,233	25,001
Net income	110,492	87,935
Other comprehensive income (loss)
Net unrealized holding gains (losses) arising during period on debt securities available-for-sale, net of tax expense (benefit) of $(3,174) and $5,220	(9,788)	15,689
Total other comprehensive income (loss)	(9,788)	15,689
Comprehensive income	$ 100,704	$ 103,624
Basic earnings per common share (in dollars per share)	$ 1.64	$ 1.28
Diluted earnings per common share (in dollars per share)	$ 1.63	$ 1.27
Weighted average common shares outstanding
Basic (in shares)	67,540,444	68,785,458
Diluted (in shares)	67,766,997	69,030,331