CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest income
Loans and lease financing	$ 122,298	$ 146,883	$ 257,269	$ 291,289
Available-for-sale securities	17,529	24,784	38,739	49,270
Other	792	2,151	3,143	5,820
Total interest income	140,619	173,818	299,151	346,379
Interest expense
Deposits	8,583	23,693	24,183	46,890
Short-term and long-term borrowings	4,214	4,512	8,463	8,787
Total interest expense	12,797	28,205	32,646	55,677
Net interest income	127,822	145,613	266,505	290,702
Provision for credit losses	55,446	3,870	96,646	9,550
Net interest income after provision for credit losses	72,376	141,743	169,859	281,152
Noninterest income
Service charges on deposit accounts	5,927	8,123	14,877	16,183
Credit and debit card fees	10,870	16,629	25,819	33,284
Other service charges and fees	7,912	9,403	16,451	18,532
Trust and investment services income	8,664	8,931	18,255	17,549
Bank-owned life insurance	4,432	3,390	6,692	7,203
Investment securities (losses) gains, net	(211)	21	(126)	(2,592)
Other	8,062	2,276	12,916	5,686
Total noninterest income	45,656	48,773	94,884	95,845
Noninterest expense
Salaries and employee benefits	42,414	42,185	87,243	87,045
Contracted services and professional fees	15,478	14,303	31,533	27,948
Occupancy	7,302	7,286	14,545	14,272
Equipment	5,207	4,544	9,915	8,828
Regulatory assessment and fees	2,100	2,149	4,046	3,596
Advertising and marketing	1,402	1,980	3,225	3,946
Card rewards program	5,163	7,664	12,178	14,396
Other	12,384	13,179	25,231	25,882
Total noninterest expense	91,450	93,290	187,916	185,913
Income before provision for income taxes	26,582	97,226	76,827	191,084
Provision for income taxes	6,533	24,793	17,913	48,727
Net income	$ 20,049	$ 72,433	$ 58,914	$ 142,357
Basic earnings per share (in dollars per share)	$ 0.15	$ 0.54	$ 0.45	$ 1.06
Diluted earnings per share (in dollars per share)	$ 0.15	$ 0.54	$ 0.45	$ 1.06
Basic weighted-average outstanding shares (in shares)	129,856,730	134,420,380	129,876,218	134,655,217
Diluted weighted-average outstanding shares (in shares)	130,005,195	134,652,008	130,163,722	134,924,331