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Credit Quality Indicators (Details 1) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable Recorded Investment [Line Items]
Loans	$ 1,505,273	$ 1,427,635
Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	1,171,458	1,054,496
Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	333,815	373,139
Residential real estate
Financing Receivable Recorded Investment [Line Items]
Loans	445,481	430,195
Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	347,915	335,718
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	246,222	223,700
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	244,018	221,476
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	2,204	2,224
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	101,693	112,018
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	101,167	111,087
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	526	931
Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	97,566	94,477
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	66,071	59,682
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	65,517	59,362
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	554	320
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	31,495	34,795
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	31,242	34,567
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	253	228
Consumer
Financing Receivable Recorded Investment [Line Items]
Loans	226,044	218,100
Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	172,230	161,713
Consumer | Consumer, Indirect | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	172,230	161,713
Consumer | Consumer, Indirect | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	171,652	160,977
Consumer | Consumer, Indirect | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	578	736
Consumer | Consumer, Indirect | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer | Consumer, Indirect | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer | Consumer, Indirect | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer | Consumer, Direct
Financing Receivable Recorded Investment [Line Items]
Loans	45,620	48,528
Consumer | Consumer, Direct | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	28,190	26,846
Consumer | Consumer, Direct | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	28,148	26,772
Consumer | Consumer, Direct | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	42	74
Consumer | Consumer, Direct | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	17,430	21,682
Consumer | Consumer, Direct | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	17,265	21,498
Consumer | Consumer, Direct | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	165	184
Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	8,194	7,859
Consumer | Consumer, Other | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	8,065	7,612
Consumer | Consumer, Other | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	8,065	7,596
Consumer | Consumer, Other | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	0	16
Consumer | Consumer, Other | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	129	247
Consumer | Consumer, Other | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	129	247
Consumer | Consumer, Other | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	$ 0	$ 0

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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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