Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 12,582	$ 10,806
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	2,215	2,726
Depreciation of premises and equipment	1,937	1,502
Net gain on sales of investment securities	(272)	(557)
Net gain on mortgage banking activities	(2,625)	(868)
Net gain on dispositions of fixed assets	(143)	(40)
Bank owned life insurance income	(564)	(821)
Stock-based compensation	813	514
Intangible expenses	1,679	1,410
Other adjustments to reconcile net income to cash provided by operating activities	2,685	1,013
Originations of loans held for sale	(104,072)	(43,642)
Proceeds from the sale of loans held for sale	104,782	45,656
Contributions to pension and other postretirement benefit plans	(2,145)	(112)
(Increase) decrease in accrued interest receivable and other assets	(3,027)	2,081
Increase (decrease) in accrued interest payable and other liabilities	770	(1,762)
Net cash provided by operating activities	14,615	17,906
Cash flows from investing activities:
Net cash paid due to acquisitions	(2,967)	(5,379)
Net capital expenditures	(2,254)	(1,365)
Proceeds from maturities and calls of securities held-to-maturity	11,000	9,000
Proceeds from maturities and calls of securities available-for-sale	41,169	45,258
Proceeds from sales of securities available-for-sale	37,546	30,286
Purchases of investment securities available-for-sale	(85,107)	(36,206)
Net increase in loans and leases	(106,375)	(57,562)
Net decrease in interest-earning deposits	8,626	27,920
Net decrease in federal funds sold	17,442	0
Net cash (used in) provided by investing activities	(80,920)	11,952
Cash flows from financing activities:
Net increase (decrease) in deposits	16,062	(12,264)
Net increase in short-term borrowings	19,202	7,309
Proceeds from issuance of subordinated notes	49,267	0
Payment of contingent consideration on acquisitions	(880)	(310)
Purchases of treasury stock	(11,310)	(3,258)
Stock issued under dividend reinvestment and employee stock purchase plans and other employee benefit programs	1,250	1,387
Proceeds from exercise of stock options	241	24
Cash dividends paid	(7,220)	(6,505)
Net cash provided by (used in) financing activities	66,612	(13,617)
Net increase in cash and due from banks	307	16,241
Cash and due from banks at beginning of year	31,995	32,646
Cash and due from banks at end of period	32,302	48,887
Supplemental disclosures of cash flow information:
Cash paid for interest	3,152	2,195
Cash paid for income taxes, net of refunds	49	3,019
Non cash transactions:
Transfer of loans to loans held for sale	4,000	8,926
Assets acquired through acquisitions	425,311	0
Liabilities assumed through acquisitions	389,782	0
Contingent consideration recorded as goodwill	$ 1,525	$ 5,470