Loans and Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	$ 1,415	$ 2,252
Total Past Due and Nonaccrual	4,168	4,162
Current Loans	782,015	685,276
Total loans	813,376	727,715
Purchased Credit Impaired Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	27,193	38,277
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Total Past Due and Nonaccrual	395	729
Current Loans	399,870	348,998
Total loans	415,208	369,777
Commercial Real Estate [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	14,943	20,050
Consumer Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	386	1,351
Total Past Due and Nonaccrual	1,780	2,164
Current Loans	177,018	146,766
Total loans	187,802	161,694
Consumer Real Estate [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	9,004	12,764
Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	865	483
Total Past Due and Nonaccrual	1,555	620
Current Loans	114,636	102,163
Total loans	117,869	105,478
Construction and Land Development [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	1,678	2,695
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	164	418
Total Past Due and Nonaccrual	421	637
Current Loans	83,033	81,546
Total loans	85,022	84,951
Commercial and Industrial [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	1,568	2,768
Consumer and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Total Past Due and Nonaccrual	17	12
Current Loans	7,458	5,803
Total loans	7,475	5,815
Consumer and Other [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	0	0
30 to 89 Days Past Due and Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	2,054	1,408
30 to 89 Days Past Due and Accruing [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	395	471
30 to 89 Days Past Due and Accruing [Member] | Consumer Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	695	581
30 to 89 Days Past Due and Accruing [Member] | Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	690	137
30 to 89 Days Past Due and Accruing [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	257	207
30 to 89 Days Past Due and Accruing [Member] | Consumer and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	17	12
Past Due 90 Days or More and Accruing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	699	502
Past Due 90 Days or More and Accruing [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	0	258
Past Due 90 Days or More and Accruing [Member] | Consumer Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	699	232
Past Due 90 Days or More and Accruing [Member] | Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	0	0
Past Due 90 Days or More and Accruing [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	0	12
Past Due 90 Days or More and Accruing [Member] | Consumer and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Recorded investment, past due	$ 0	$ 0