CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest income
Loans and lease financing	$ 509,820	$ 444,488	$ 496,523
Available-for-sale investment securities	87,108	101,410	81,808
Held-to-maturity investment securities	55,376
Other	10,916	3,413	4,428
Total interest income	663,220	549,311	582,759
Interest expense
Deposits	49,201	13,853	35,471
Short-term and long-term borrowings	470	4,899	11,554
Total interest expense	49,671	18,752	47,025
Net interest income	613,549	530,559	535,734
Provision for credit losses	1,392	(39,000)	121,718
Net interest income after provision for credit losses	612,157	569,559	414,016
Noninterest income
Service charges on deposit accounts	28,809	27,510	28,169
Credit and debit card fees	66,028	63,580	55,451
Other service charges and fees	37,036	38,578	33,876
Trust and investment services income	36,465	34,719	35,652
Bank-owned life insurance	1,248	13,185	15,754
Investment securities gains, net		102	(114)
Other	9,939	7,242	28,592
Total noninterest income	179,525	184,916	197,380
Noninterest expense
Salaries and employee benefits	199,129	182,384	174,221
Contracted services and professional fees	70,027	63,349	60,546
Occupancy	31,034	29,348	28,821
Equipment	34,506	24,719	20,277
Regulatory assessment and fees	9,603	8,245	8,659
Advertising and marketing	7,996	6,108	5,695
Card rewards program	30,990	25,244	22,114
Other	57,186	66,082	47,339
Total noninterest expense	440,471	405,479	367,672
Income before provision for income taxes	351,211	348,996	243,724
Provision for income taxes	85,526	83,261	57,970
Net income	$ 265,685	$ 265,735	$ 185,754
Basic earnings per share (in dollars per share)	$ 2.08	$ 2.06	$ 1.43
Diluted earnings per share (in dollars per share)	$ 2.08	$ 2.05	$ 1.43
Basic weighted-average outstanding shares (in shares)	127,489,889	128,963,131	129,890,225
Diluted weighted-average outstanding shares (in shares)	127,981,699	129,537,922	130,220,077