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, including fees	$ 158,928	$ 188,310	$ 334,452	$ 372,054
Investment securities:
Taxable	15,171	15,935	31,465	31,370
Tax-exempt	5,323	3,271	10,031	6,550
Loans held for sale	509	350	829	590
Other interest income	766	2,168	3,297	4,170
Total Interest Income	180,697	210,034	380,074	414,734
INTEREST EXPENSE
Deposits	17,118	32,548	43,558	62,237
Short-term borrowings	517	4,462	4,590	8,044
Long-term borrowings	10,307	8,480	18,426	16,594
Total Interest Expense	27,942	45,490	66,574	86,875
Net Interest Income	152,754	164,544	313,500	327,859
Provision for credit losses	19,570	5,025	63,600	10,125
Net Interest Income After Provision for Credit Losses	133,184	159,519	249,900	317,734
NON-INTEREST INCOME
Non-interest income before investment securities gains	52,917	54,139	107,515	100,825
Investment securities gains, net	3,005	176	3,051	241
Total Non-Interest Income	55,922	54,315	110,566	101,066
NON-INTEREST EXPENSE
Salaries and employee benefits	81,012	78,991	161,240	156,748
Net occupancy	13,144	14,469	26,630	27,378
Data processing and software	12,193	11,268	23,838	21,621
Other outside services	7,600	11,259	15,481	19,611
Amortization of tax credit investments	1,450	1,492	2,900	2,983
Intangible amortization	132	107	264	214
Prepayment penalty on FHLB advances	2,878	0	2,878	0
Professional fees	3,331	2,970	7,533	6,930
Marketing	3,193	3,299	6,611	6,641
FDIC insurance	2,133	2,755	4,941	5,364
Taxes, Other	3,088	2,480	5,891	4,482
Marketing	1,303	2,863	2,882	5,023
Other	11,549	12,215	24,469	24,997
Total Non-Interest Income	143,006	144,168	285,558	281,992
Income Before Income Taxes	46,100	69,666	74,909	136,808
Income taxes	6,542	9,887	9,303	20,366
Net Income	$ 39,559	$ 59,779	$ 65,606	$ 116,442
PER SHARE:
Net Income (Basic) (in dollars per share)	$ 0.24	$ 0.36	$ 0.40	$ 0.69
Net Income (Diluted) (in dollars per share)	0.24	0.35	0.40	0.68
Cash Dividends (in dollars per share)	$ 0.13	$ 0.13	$ 0.26	$ 0.26
Investment management and trust services
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 13,407	$ 14,153	$ 28,462	$ 27,392
Other service charges and fees
NON-INTEREST INCOME
Non-interest income before investment securities gains	16,748	19,018	35,167	34,268
Service charges on deposit accounts
NON-INTEREST INCOME
Non-interest income before investment securities gains	9,138	12,367	20,377	23,744
Mortgage banking income
NON-INTEREST INCOME
Non-interest income before investment securities gains	9,964	6,593	16,198	11,365
Other
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 3,660	$ 2,008	$ 7,311	$ 4,056