CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest income
Loans and lease financing	$ 185,340	$ 111,916	$ 357,679	$ 215,648
Available-for-sale investment securities	18,094	16,643	36,782	48,750
Held-to-maturity investment securities	18,282	18,289	37,239	18,289
Other	7,489	2,896	11,050	3,678
Total interest income	229,205	149,744	442,750	286,365
Interest expense
Deposits	58,071	4,597	101,355	7,346
Short-term and long-term borrowings	10,656		13,219
Other	539		990
Total interest expense	69,266	4,597	115,564	7,346
Net interest income	159,939	145,147	327,186	279,019
Provision for credit losses	5,000	1,000	13,800	(4,747)
Net interest income after provision for credit losses	154,939	144,147	313,386	283,766
Noninterest income
Service charges on deposit accounts	7,246	6,843	14,477	14,344
Credit and debit card fees	15,461	17,056	31,759	31,906
Other service charges and fees	9,056	9,018	18,218	18,672
Trust and investment services income	9,448	8,759	19,062	17,642
Bank-owned life insurance	3,271	(859)	8,391	(1,276)
Other	2,866	3,320	4,464	4,229
Total noninterest income	47,348	44,137	96,371	85,517
Noninterest expense
Salaries and employee benefits	57,904	49,902	113,936	98,128
Contracted services and professional fees	17,498	18,617	33,811	35,764
Occupancy	7,554	7,334	15,336	14,744
Equipment	11,000	7,754	20,736	13,731
Regulatory assessment and fees	3,676	2,301	7,512	4,525
Advertising and marketing	1,891	1,994	3,885	4,022
Card rewards program	7,681	7,285	15,766	14,168
Other	13,677	13,988	28,466	28,135
Total noninterest expense	120,881	109,175	239,448	213,217
Income before provision for income taxes	81,406	79,109	170,309	156,066
Provision for income taxes	18,964	19,749	41,049	38,987
Net income	$ 62,442	$ 59,360	$ 129,260	$ 117,079
Basic earnings per share (in dollars per share)	$ 0.49	$ 0.46	$ 1.01	$ 0.92
Diluted earnings per share (in dollars per share)	$ 0.49	$ 0.46	$ 1.01	$ 0.91
Basic weighted-average outstanding shares (in shares)	127,591,371	127,672,244	127,522,975	127,614,564
Diluted weighted-average outstanding shares (in shares)	127,832,351	128,014,777	127,901,225	128,108,630