Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
INTEREST INCOME
Loans and leases, including fees	$ 186,001	$ 175,068	$ 558,055	$ 503,029
Investment securities:
Taxable	15,565	13,956	46,935	41,039
Tax-exempt	3,673	3,035	10,222	8,933
Loans held for sale	466	388	1,056	888
Other interest income	2,709	1,601	6,879	4,016
Total Interest Income	208,414	194,048	623,147	557,905
INTEREST EXPENSE
Deposits	35,737	23,819	97,974	59,553
Short-term borrowings	4,156	2,002	12,200	7,079
Federal Home Loan Bank advances and long-term debt	7,260	8,100	23,854	23,761
Total Interest Expense	47,153	33,921	134,028	90,393
Net Interest Income	161,260	160,127	489,119	467,512
Provision for credit losses	2,170	1,620	12,295	38,707
Net Interest Income After Provision for Credit Losses	159,090	158,507	476,824	428,805
NON-INTEREST INCOME
Non-interest income before investment securities gains	55,321	51,019	156,146	145,965
Investment securities gains, net	4,492	14	4,733	37
Total Non-Interest Income	59,813	51,033	160,879	146,002
NON-INTEREST EXPENSE
Salaries and employee benefits	78,211	76,770	234,959	227,457
Net occupancy	12,368	12,578	39,746	38,970
Data processing and software	11,590	10,157	33,211	31,083
Prepayment penalty on FHLB advances	4,326	0	4,326	0
Other outside services	12,163	9,122	31,774	24,814
Amortization of tax credit investments	1,533	1,637	4,516	4,911
Intangible amortization	1,071	0	1,285	0
Professional fees	3,331	3,427	10,261	10,615
Marketing	3,459	3,000	10,100	9,968
FDIC insurance	239	2,814	5,603	8,430
Taxes, Other	2,523	2,707	7,005	7,463
Marketing	3,322	2,692	8,345	7,277
Other	12,634	10,509	37,631	34,431
Total Non-Interest Expense	146,770	135,413	428,762	405,419
Income Before Income Taxes	72,133	74,127	208,941	169,388
Income taxes	10,025	8,494	30,391	19,078
Net Income	$ 62,108	$ 65,633	$ 178,550	$ 150,310
PER SHARE:
Net Income (Basic) (in dollars per share)	$ 0.38	$ 0.37	$ 1.06	$ 0.86
Net Income (Diluted) (in dollars per share)	0.37	0.37	1.06	0.85
Cash Dividends (in dollars per share)	$ 0.13	$ 0.12	$ 0.39	$ 0.36
Investment management and trust services
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 13,867	$ 13,066	$ 41,259	$ 38,740
Other service charges and fees
NON-INTEREST INCOME
Non-interest income before investment securities gains	18,284	17,540	51,489	47,928
Service charges on deposit accounts
NON-INTEREST INCOME
Non-interest income before investment securities gains	13,333	12,665	37,077	36,005
Mortgage banking income
NON-INTEREST INCOME
Non-interest income before investment securities gains	6,658	4,896	18,023	14,252
Other
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 3,179	$ 2,852	$ 8,298	$ 9,040