Credit Quality Indicators (Details 1) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Financing Receivable Recorded Investment [Line Items]
Loans	$ 1,358,484	$ 1,296,865
Residential real estate
Financing Receivable Recorded Investment [Line Items]
Loans	418,712	395,067
Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	330,001	312,915
Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	88,711	82,152
Consumer
Financing Receivable Recorded Investment [Line Items]
Loans	196,877	185,077
Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	143,870	131,427
Consumer | Consumer, Direct
Financing Receivable Recorded Investment [Line Items]
Loans	47,410	48,938
Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	5,597	4,712
Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	937,324	833,691
Originated Loans | Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	205,612	179,214
Originated Loans | Residential real estate | Residential real estate, 1-4 family residential | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	202,919	176,472
Originated Loans | Residential real estate | Residential real estate, 1-4 family residential | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	2,693	2,742
Originated Loans | Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	50,337	41,223
Originated Loans | Residential real estate | Residential real estate, Home equity lines of credit | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	50,152	40,984
Originated Loans | Residential real estate | Residential real estate, Home equity lines of credit | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	185	239
Originated Loans | Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	143,870	131,427
Originated Loans | Consumer | Consumer, Indirect | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	143,621	130,864
Originated Loans | Consumer | Consumer, Indirect | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	249	563
Originated Loans | Consumer | Consumer, Direct
Financing Receivable Recorded Investment [Line Items]
Loans	21,392	17,473
Originated Loans | Consumer | Consumer, Direct | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	21,262	17,440
Originated Loans | Consumer | Consumer, Direct | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	130	33
Originated Loans | Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	5,359	4,508
Originated Loans | Consumer | Consumer, Other | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	5,358	4,484
Originated Loans | Consumer | Consumer, Other | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	1	24
Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	421,160	463,174
Acquired Loans | Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	124,389	133,701
Acquired Loans | Residential real estate | Residential real estate, 1-4 family residential | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	123,507	132,776
Acquired Loans | Residential real estate | Residential real estate, 1-4 family residential | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	882	925
Acquired Loans | Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	38,374	40,929
Acquired Loans | Residential real estate | Residential real estate, Home equity lines of credit | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	38,220	40,797
Acquired Loans | Residential real estate | Residential real estate, Home equity lines of credit | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	154	132
Acquired Loans | Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Consumer | Consumer, Indirect | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	26,018	0
Acquired Loans | Consumer | Consumer, Indirect | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Consumer | Consumer, Direct
Financing Receivable Recorded Investment [Line Items]
Loans	26,018	31,465
Acquired Loans | Consumer | Consumer, Direct | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	25,931	31,254
Acquired Loans | Consumer | Consumer, Direct | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	87	211
Acquired Loans | Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	238	204
Acquired Loans | Consumer | Consumer, Other | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	238	204
Acquired Loans | Consumer | Consumer, Other | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	$ 0	$ 0