Loans, Major Classifications of Loans, Net of Income and Deferred Loan Origination Cost (Details) $ in Thousands	6 Months Ended
Jun. 30, 2018 USD ($) Segment	Dec. 31, 2017 USD ($)
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	$ 3,169,042	$ 3,122,940
Number of portfolio segments \| Segment	9
Loans held for sale [Abstract]
Loans held for sale	$ 1,093	1,033
Commercial [Member] \| Construction [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	81,196	76,479
Commercial [Member] \| Real Estate [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	1,191,711	1,188,680
Commercial [Member] \| Equipment Lease Financing [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	2,354	3,042
Commercial [Member] \| Other [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	352,410	351,034
Residential [Member] \| Construction [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	64,817	67,358
Residential [Member] \| Real Estate [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	720,696	709,570
Residential [Member] \| Home Equity [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	102,432	99,356
Consumer [Member] \| Consumer Direct [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	145,376	137,754
Consumer [Member] \| Consumer Indirect [Member]
Major Classification of Loans Net of Unearned Income, Deferred Loan Origination Costs and Net Premiums on Acquired Loans [Abstract]
Total loans	$ 508,050	$ 489,667

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

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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://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-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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- Definition

Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

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