Loans and Allowance for Loan Losses - Primary Segments (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Primary segments of the loan portfolio:
Individually evaluated for impairment	$ 11,787		$ 12,919
Collectively evaluated for impairment	1,064,286		981,914
Total Loans	1,076,073	$ 1,032,170	994,833
Commercial
Primary segments of the loan portfolio:
Individually evaluated for impairment	10,922		12,036
Collectively evaluated for impairment	739,122		687,623
Total Loans	750,044	729,319	699,659
Residential
Primary segments of the loan portfolio:
Individually evaluated for impairment	673		849
Collectively evaluated for impairment	242,814		210,997
Total Loans	243,487	217,366	211,846
Home Equity
Primary segments of the loan portfolio:
Individually evaluated for impairment	51		28
Collectively evaluated for impairment	67,788		65,617
Total Loans	67,839	68,124	65,645
Consumer
Primary segments of the loan portfolio:
Individually evaluated for impairment	141		6
Collectively evaluated for impairment	14,562		17,677
Total Loans	$ 14,703	$ 17,361	$ 17,683

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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The balance of financing receivables that were individually evaluated for impairment.

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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=65884687&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=66008989&loc=d3e5074-111524

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