Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating Activities
Net income	$ 37,476	$ 40,582
Adjustments to reconcile net income to net cash provided by operating activities:
Accretion and amortization	436	(3,612)
Provision for loan losses	3,093	4,175
Depreciation	4,719	4,549
Deferred income tax expense	3,998	3,479
Net periodic employee benefit cost	386	625
Realized investment securities gains	3,978	2,130
Investment securities impairment losses	465	0
Stock-compensation expense	1,606	1,430
Proceeds from bank-owned life insurance	0	435
Increase in value of bank-owned life insurance	(2,374)	(2,476)
Loans originated for sale	(11,537)	(13,994)
Proceeds from the sale of loans originated for sale	11,637	14,533
Gain on sale of loans	(268)	(279)
Gain on sale of insurance division	0	(11,084)
Change in accrued interest receivable	(554)	(864)
Impairment of Long-Lived Assets to be Disposed of	444	1,449
Change in other assets	(14,068)	(288)
Change in other liabilities	16,338	7,805
Net Cash Provided by Operating Activities	47,819	44,335
Investing Activities
Proceeds from sales of securities available-for-sale	30,850	290
Proceeds from maturities and calls of securities available-for-sale	55,565	45,158
Proceeds from maturities and calls of securities held-to-maturity	9,194	10,640
Purchases of securities available-for-sale	(141,271)	(91,190)
Net increase in loans	(96,007)	(43,411)
Purchases of premises and equipment	(3,553)	(1,729)
Disposals of premises and equipment	408	133
Proceeds from sale of insurance division	0	15,250
Net Cash Used in Investing Activities	(144,814)	(64,859)
Financing Activities
Net increase (decrease) in non-interest-bearing deposits	48,792	(3,288)
Net increase (decrease) in interest-bearing deposits	46,963	(3,489)
Net increase in short-term borrowings	24,515	12,105
Purchases of treasury stock	(10,018)	0
Proceeds from exercise of stock options, net of tax benefit	705	2,649
Proceeds from exercise of warrants	0	1,896
Dividends paid	(19,266)	(18,869)
Net Cash Provided by (Used in) Financing Activities	91,691	(8,996)
Decrease in Cash and Cash Equivalents	(5,304)	(29,520)
Cash and cash equivalents at beginning of period	70,113	148,228
Cash and Cash Equivalents at End of Period	$ 64,809	$ 118,708