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Loans, Major Classifications of Loans, Net of Income and Deferred Loan Origination Cost (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) Segment | Dec. 31, 2016 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 3,122,940 | $ 2,938,371
Number of portfolio segments | Segment | 9 |
Loans held for sale [Abstract] |  |
Loans held for sale | $ 1,033 | 1,244
Commercial [Member] | Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 76,479 | 66,998
Commercial [Member] | Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,188,680 | 1,085,428
Commercial [Member] | Equipment Lease Financing [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 3,042 | 5,512
Commercial [Member] | Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 351,034 | 350,159
Residential [Member] | Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 67,358 | 57,966
Residential [Member] | Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 709,570 | 702,969
Residential [Member] | Home Equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 99,356 | 91,511
Consumer [Member] | Consumer Direct [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 137,754 | 133,093
Consumer [Member] | Consumer Indirect [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 489,667 | $ 444,735

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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 + Details
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