Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating Activities
Net income	$ 40,582	$ 38,432
Adjustments to reconcile net income to net cash provided by operating activities:
Accretion and amortization	(3,612)	(3,889)
Provision for loan losses	4,175	3,670
Depreciation of premises and equipment	4,549	4,553
Deferred income tax expense	3,479	3,921
Net periodic employee benefit cost	625	393
Realized investment securities gains	(2,130)	(972)
Stock-compensation expense	1,430	1,210
Increase in value of bank-owned life insurance	(2,476)	(2,291)
Proceeds from bank-owned life insurance	435	0
Loans originated for sale	(13,994)	(4,911)
Proceeds from the sale of loans originated for sale	14,533	5,075
Gain on sale of loans	(279)	(131)
Gain on sale of insurance division	(11,084)	0
Change in accrued interest receivable	(864)	(885)
Change in other assets	1,161	(5,829)
Change in other liabilities	7,805	(3,763)
Net Cash Provided by Operating Activities	44,335	34,583
Investing Activities
Proceeds from sales of securities available-for-sale	290	1,821
Proceeds from maturities and calls of securities available-for-sale	45,158	37,071
Proceeds from maturities and calls of securities held-to-maturity	10,640	4,124
Purchases of securities available-for-sale	(91,190)	(17,058)
Purchases of securities held-to-maturity	0	(10,226)
Net (increase) in loans	(43,411)	(23,454)
Purchases of premises and equipment	(1,729)	(1,085)
Disposals of premises and equipment	133	0
Proceeds from sale of insurance division	15,250	0
Net Cash (Used In) Investing Activities	(64,859)	(8,807)
Financing Activities
Net (decrease) increase in noninterest-bearing deposits	(3,288)	5,263
Net (decrease) increase in interest-bearing deposits	(3,489)	3,597
Net increase in short-term borrowings	12,105	8,317
Purchases of treasury stock	0	(19,533)
Proceeds from exercise of stock options, net of tax benefit	2,649	553
Proceeds from exercise of warrants	1,896	0
Dividends paid	(18,869)	(18,357)
Net Cash (Used in) Financing Activities	(8,996)	(20,160)
(Decrease) Increase in Cash and Cash Equivalents	(29,520)	5,616
Cash and cash equivalents at beginning of period	148,228	85,876
Cash and Cash Equivalents at End of Period	$ 118,708	$ 91,492