Loans (Details 7) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	$ 8,306	$ 9,058
Loans Past Due 90 Days or More Still Accruing	1,404	1,387
Originated Loans
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	6,410	7,028
Loans Past Due 90 Days or More Still Accruing	645	845
Originated Loans | Commercial
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	571	541
Loans Past Due 90 Days or More Still Accruing	0	73
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	2,943	3,313
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	336	345
Loans Past Due 90 Days or More Still Accruing	2	0
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	2,194	2,406
Loans Past Due 90 Days or More Still Accruing	451	336
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	131	127
Loans Past Due 90 Days or More Still Accruing	60	112
Originated Loans | Consumer, Indirect | Consumer
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	216	266
Loans Past Due 90 Days or More Still Accruing	122	297
Originated Loans | Consumer, Direct | Consumer
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	19	30
Loans Past Due 90 Days or More Still Accruing	0	3
Originated Loans | Consumer, Other | Consumer
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	0	0
Loans Past Due 90 Days or More Still Accruing	10	24
Acquired Loans
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	1,896	2,030
Loans Past Due 90 Days or More Still Accruing	759	542
Acquired Loans | Commercial
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	976	1,068
Loans Past Due 90 Days or More Still Accruing	0	0
Acquired Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	138	126
Loans Past Due 90 Days or More Still Accruing	0	18
Acquired Loans | Residential real estate, 1-4 family residential | Residential real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	447	458
Loans Past Due 90 Days or More Still Accruing	752	467
Acquired Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	124	125
Loans Past Due 90 Days or More Still Accruing	7	7
Acquired Loans | Consumer, Direct | Consumer
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	136	161
Loans Past Due 90 Days or More Still Accruing	0	50
Acquired Loans | Commercial real estate, Other | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	75	92
Loans Past Due 90 Days or More Still Accruing	$ 0	$ 0