Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 7,289	$ 6,116
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	326	1,074
Depreciation of premises and equipment	942	1,038
Net gain on sales of investment securities	(44)	(91)
Net gain on mortgage banking activities	(1,218)	(1,258)
Bank owned life insurance income	(470)	(353)
Net accretion of acquisition accounting fair value adjustments	(100)	(543)
Stock-based compensation	451	412
Intangible expenses	770	786
Other adjustments to reconcile net income to cash provided by operating activities	325	323
Deferred tax expense	905	1,131
Originations of loans held for sale	(44,414)	(47,453)
Proceeds from the sale of loans held for sale	46,003	46,141
Contributions to pension and other postretirement benefit plans	(60)	(81)
Increase in accrued interest receivable and other assets	(2,385)	(166)
Decrease in accrued interest payable and other liabilities	(1,469)	(2,239)
Net cash provided by operating activities	6,851	4,837
Cash flows from investing activities:
Net cash paid due to acquisitions	0	(2,967)
Net capital expenditures	(2,177)	(1,189)
Proceeds from maturities and calls of securities held-to-maturity	4,000	4,000
Proceeds from maturities and calls of securities available-for-sale	18,693	13,575
Proceeds from sales of securities available-for-sale	53,181	271
Purchases of investment securities available-for-sale	(32,573)	(15,134)
Net increase in loans and leases	(7,507)	(35,925)
Net decrease (increase) in interest-earning deposits	21,156	(29,947)
Net decrease in federal funds sold	0	9,099
Net cash provided by (used in) investing activities	54,773	(58,217)
Cash flows from financing activities:
Net (decrease) increase in deposits	(59,934)	7,752
Net increase in short-term borrowings	1,640	179
Proceeds from issuance of subordinated notes	0	49,270
Payment of contingent consideration on acquisitions	(900)	(620)
Purchases of treasury stock	(521)	(5,424)
Stock issued under dividend reinvestment and employee stock purchase plans and other employee benefit programs	617	695
Proceeds from exercise of stock options, including excess tax benefits	274	112
Cash dividends paid	(3,896)	(3,237)
Net cash (used in) provided by financing activities	(62,720)	48,727
Net decrease in cash and due from banks	(1,096)	(4,653)
Cash and due from banks at beginning of year	32,356	31,995
Cash and due from banks at end of period	31,260	27,342
Supplemental disclosures of cash flow information:
Cash paid for interest	3,113	1,635
Cash paid (received) for income taxes, net of refunds	685	(530)
Non cash transactions:
Transfer of loans to other real estate owned	1,797	0
Assets acquired through acquisitions	0	425,834
Liabilities assumed through acquisitions	0	389,907
Contingent consideration recorded as goodwill	$ 0	$ 1,424