CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest income
Loans and lease financing	$ 103,732	$ 110,939
Available-for-sale securities	32,107	23,146
Other	782	491
Total interest income	136,621	134,576
Interest expense
Deposits	2,749	4,056
Short-term and long-term borrowings		1,362
Total interest expense	2,749	5,418
Net interest income	133,872	129,158
Provision for credit losses	(5,747)
Net interest income after provision for credit losses	139,619	129,158
Noninterest income
Service charges on deposit accounts	7,501	6,718
Credit and debit card fees	14,850	14,551
Other service charges and fees	9,654	8,846
Trust and investment services income	8,883	8,492
Bank-owned life insurance	(417)	2,389
Other	909	2,872
Total noninterest income	41,380	43,868
Noninterest expense
Salaries and employee benefits	48,226	43,936
Contracted services and professional fees	17,147	17,188
Occupancy	7,410	7,170
Equipment	5,977	5,491
Regulatory assessment and fees	2,224	2,034
Advertising and marketing	2,028	1,591
Card rewards program	6,883	4,835
Other	14,147	14,061
Total noninterest expense	104,042	96,306
Income before provision for income taxes	76,957	76,720
Provision for income taxes	19,238	19,027
Net income	$ 57,719	$ 57,693
Basic earnings per share (in dollars per share)	$ 0.45	$ 0.44
Diluted earnings per share (in dollars per share)	$ 0.45	$ 0.44
Basic weighted-average outstanding shares (in shares)	127,556,242	129,933,104
Diluted weighted-average outstanding shares (in shares)	128,121,126	130,589,878