Loans and Allowance for Loan Losses - Schedule of Aging of Recorded Investment in Past-due Loans, by Class of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	$ 2,184	$ 363
Loans Not Past Due	972,705	935,855
Total	974,889	936,218
Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Loans Not Past Due	366,778	302,322
Total	366,778	302,322
Consumer real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	785	363
Loans Not Past Due	100,026	96,652
Total	100,811	97,015
Construction and land development
Financing Receivable Recorded Investment Past Due [Line Items]
Loans Not Past Due	79,951	94,491
Total	79,951	94,491
Commercial and industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	1,398
Loans Not Past Due	393,202	379,620
Total	394,600	379,620
Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	1
Loans Not Past Due	6,288	5,974
Total	6,289	5,974
Other
Financing Receivable Recorded Investment Past Due [Line Items]
Loans Not Past Due	26,460	56,796
Total	26,460	56,796
30 - 59 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	1,660	81
30 - 59 Days Past Due [Member] | Consumer real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	506	81
30 - 59 Days Past Due [Member] | Commercial and industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	1,154
60 - 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	497	282
60 - 89 Days Past Due [Member] | Consumer real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	279	$ 282
60 - 89 Days Past Due [Member] | Commercial and industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	218
60 - 89 Days Past Due [Member] | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	1
Greater than 89 Days Past Due [Member]
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	27
Greater than 89 Days Past Due [Member] | Commercial and industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Total Past Due	$ 27