Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating Activities
Net income	$ 16,026	$ 11,702
Adjustments to reconcile net income to net cash provided by operating activities:
Accretion and amortization	361	117
Provision for loan losses	681	539
Depreciation	1,525	1,567
Deferred income tax expense	2,931	830
Net periodic employee benefit cost	114	129
Realized investment securities gains	4,276	0
Stock-compensation expense	780	755
Excess tax benefit from stock-compensation expense	(189)	0
Proceeds from bank-owned life insurance	1,137	0
Increase in value of bank-owned life insurance	(749)	(760)
Loans originated for sale	(3,951)	(2,809)
Proceeds from the sale of loans originated for sale	6,118	3,107
Gain on sale of loans	(167)	(58)
Change in accrued interest receivable	(236)	(1,085)
Change in other assets	(131)	(10,630)
Change in other liabilities	383	11,432
Net Cash Provided by Operating Activities	20,357	14,836
Investing Activities
Proceeds from sales of securities available-for-sale	5,576	35
Proceeds from maturities and calls of securities available-for-sale	23,390	18,078
Proceeds from maturities and calls of securities held-to-maturity	2,823	2,332
Purchases of securities available-for-sale	(39,747)	(4,289)
Net increase in loans	(30,826)	(14,668)
Purchases of premises and equipment	(2,111)	(610)
Disposals of premises and equipment	1,781	341
Net Cash (Used in) Provided by Investing Activities	(39,114)	1,219
Financing Activities
Net increase in non-interest-bearing deposits	42,505	45,450
Net increase in interest-bearing deposits	118,616	57,994
Net (decrease) increase in short-term borrowings	(61,619)	1,845
Proceeds from issuance of common stock	28,408	0
Purchases of treasury stock	0	(9,925)
Proceeds from stock option exercises	38	0
Proceeds from exercise of stock options		0
Dividends paid	(6,518)	(6,367)
Net Cash Provided by Financing Activities	121,430	88,997
Increase in Cash and Cash Equivalents	102,673	105,052
Cash and cash equivalents at beginning of period	88,139	70,113
Cash and Cash Equivalents at End of Period	$ 190,812	$ 175,165