Loans, Major Classifications of Loans, Net of Income and Deferred Loan Origination Cost (Details) $ in Thousands	9 Months Ended
Sep. 30, 2017 USD ($) Segment	Dec. 31, 2016 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 3,113,421	$ 2,938,371
Number of portfolio segments \| Segment	9
Loans held for sale [Abstract]
Loans held for sale	$ 1,605	1,244
Commercial [Member] \| Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	74,282	66,998
Commercial [Member] \| Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,197,604	1,085,428
Commercial [Member] \| Equipment Lease Financing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	3,290	5,512
Commercial [Member] \| Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	339,337	350,159
Residential [Member] \| Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	64,441	57,966
Residential [Member] \| Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	712,237	702,969
Residential [Member] \| Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	96,755	91,511
Consumer [Member] \| Consumer Direct [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	137,657	133,093
Consumer [Member] \| Consumer Indirect [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 487,818	$ 444,735

Number of portfolio segments through which the Company segregates and evaluates its loan portfolio.

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- Definition

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+ References

No definition available.

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524

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+ References

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