Credit Quality Indicators (Details 1) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable Recorded Investment [Line Items]
Loans	$ 1,780,504	$ 1,735,840
Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	1,557,122	1,485,311
Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	223,382	250,529
Residential real estate
Financing Receivable Recorded Investment [Line Items]
Loans	492,781	492,133
Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	386,810	385,806
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	314,450	307,022
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	312,123	304,519
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	2,327	2,503
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	72,360	78,784
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	71,469	77,661
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	891	1,123
Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	105,971	106,327
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	84,583	82,710
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	83,832	82,035
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	751	675
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	21,388	23,617
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	21,127	23,400
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	261	217
Consumer
Financing Receivable Recorded Investment [Line Items]
Loans	212,859	221,795
Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	166,688	169,806
Consumer | Consumer, Indirect | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	166,688	169,806
Consumer | Consumer, Indirect | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	166,067	169,091
Consumer | Consumer, Indirect | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	621	715
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	35,701	39,933
Consumer | Consumer, Direct | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	28,145	30,491
Consumer | Consumer, Direct | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	27,988	30,237
Consumer | Consumer, Direct | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	157	254
Consumer | Consumer, Direct | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	7,556	9,442
Consumer | Consumer, Direct | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	7,404	9,304
Consumer | Consumer, Direct | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	152	138
Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	10,470	12,056
Consumer | Consumer, Other | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	10,360	11,894
Consumer | Consumer, Other | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	10,351	11,892
Consumer | Consumer, Other | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	9	2
Consumer | Consumer, Other | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	110	162
Consumer | Consumer, Other | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	110	162
Consumer | Consumer, Other | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	$ 0	$ 0