Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
OPERATING ACTIVITIES
Net income	$ 18,188	$ 16,093
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	5,183	5,014
Provision for unfunded loan commitments	(458)	125
Depreciation, amortization and accretion	369	906
Net amortization of discounts and premiums on securities	1,030	915
Restricted stock compensation expense	1,002	731
Securities gains	(370)	0
Mortgage loans originated for sale	(15,694)	(18,478)
Proceeds from the sale of mortgage loans	16,575	19,014
Gain on the sale of mortgage loans, net	(193)	(231)
Gain on the sale of credit card portfolio	0	(2,066)
Pension plan curtailment gain	0	(1,017)
Net increase in interest receivable	(62)	(2,768)
Net (decrease) increase in interest payable	(435)	875
Net decrease (increase) in other assets	3,404	(714)
Net increase in other liabilities	1,768	7,267
Net Cash Provided by Operating Activities	30,307	25,666
INVESTING ACTIVITIES
Purchases of securities available-for-sale	(36,604)	(25,168)
Proceeds from maturities, prepayments and calls of securities available-for-sale	16,942	17,028
Proceeds from sales of securities available-for-sale	582	0
Net proceeds from (purchases of) Federal Home Loan Bank stock	2,078	(305)
Net increase in loans	(151,438)	(151,841)
Proceeds from sale of loans not originated for resale	2,657	0
Purchases of premises and equipment	(745)	(468)
Proceeds from the sale of premises and equipment	16	3
Proceeds from the sale of credit card portfolio	0	25,019
Net Cash Used in Investing Activities	(166,512)	(135,732)
FINANCING ACTIVITIES
Net increase in deposits	62,219	13,688
Net increase in certificates of deposit	100,799	128,885
Net decrease in securities sold under repurchase agreements	(3,845)	(2,061)
Net decrease in short-term borrowings	(50,000)	(1,000)
Repayments of long-term borrowings	(595)	(575)
Treasury shares issued-net	(194)	0
Cash dividends paid to common shareholders	(6,960)	(6,601)
Net Cash Provided by Financing Activities	101,424	132,336
Net (decrease) increase in cash and cash equivalents	(34,781)	22,270
Cash and cash equivalents at beginning of period	139,486	99,399
Cash and Cash Equivalents at End of Period	104,705	121,669
Supplemental Disclosures
Loans transferred from portfolio to held for sale	250	0
Interest paid	7,706	4,508
Income taxes paid, net of refunds	172	1,794
Transfers of loans to other real estate owned	$ 397	$ 49