Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income		$ 17,207	$ 22,634
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses		17,462	5,211
Depreciation of premises and equipment		2,795	2,730
Net amortization of investment securities premiums and discounts		779	959
Net gain on sales of investment securities	[1]	(10)	(36)
Net gain on mortgage banking activities	[1]	(1,658)	(2,650)
Bank owned life insurance income	[1]	(1,879)	(2,405)
Net accretion of acquisition accounting fair value adjustments		(495)	(1,508)
Stock-based compensation		1,719	1,708
Intangible expenses		1,206	1,205
Other adjustments to reconcile net income to cash (used in) provided by operating activities		190	(293)
Originations of loans held for sale		(61,508)	(64,035)
Proceeds from the sale of loans held for sale		63,076	69,847
Contributions to pension and other postretirement benefit plans		(133)	(138)
(Increase) decrease in accrued interest receivable and other assets		(3,089)	1,340
Increase (decrease) in accrued interest payable and other liabilities		814	(1,965)
Net cash provided by operating activities		36,476	32,604
Cash flows from investing activities:
Net capital expenditures		(1,347)	(4,622)
Proceeds from maturities, calls and principal repayments of securities held-to-maturity		4,253	10,595
Proceeds from maturities, calls and principal repayments of securities available-for-sale		34,824	29,603
Proceeds from sales of securities available-for-sale		1,010	3,032
Purchases of investment securities held-to-maturity		(45,349)	(29,498)
Purchases of investment securities available-for-sale		(1,485)	(8,476)
Proceeds from sales of money market mutual funds		10,706	12,020
Purchases of money market mutual funds		(6,284)	(16,768)
Net increase in other investments		(5,564)	(6,637)
Net increase in loans and leases		(211,534)	(225,682)
Net decrease (increase) in interest-earning deposits		10,154	(3,168)
Proceeds from sales of other real estate owned		21	3,612
Purchases of bank owned life insurance		(776)	0
Proceeds from bank owned life insurance		1,374	2,916
Net cash used in investing activities		(209,997)	(233,073)
Cash flows from financing activities:
Net increase in deposits		65,963	90,796
Net increase in short-term borrowings		126,422	35,555
Proceeds from issuance of long-term debt		0	95,000
Repayment of long-term debt		0	5,000
Payment of contingent consideration on acquisitions		(67)	(5,317)
Purchases of treasury stock		(1,259)	(2,422)
Stock issued under dividend reinvestment and employee stock purchase plans		1,173	1,229
Proceeds from exercise of stock options		711	1,328
Cash dividends paid		(11,734)	(10,636)
Net cash provided by financing activities		181,209	200,533
Net increase in cash and due from banks		7,688	64
Cash and due from banks at beginning of year		46,721	48,757
Cash and due from banks at end of period		54,409	48,821
Supplemental disclosures of cash flow information:
Cash paid for interest		13,190	9,685
Cash paid for income taxes, net of refunds		1,060	5,942
Non cash transactions:
Transfer of loans to other real estate owned		$ 402	$ 653

[1] (1)Net interest income as well as many other revenues for financial assets and liabilities including loans, leases, securities, and derivatives are excluded from the scope of the standard. Noninterest income streams that are out-of-scope of the standard include bank owned life insurance income, sales of investment securities and mortgage banking activities.