Loans - Schedule of Aging of Recorded Investment in Past Due Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	$ 3,869	$ 1,440
Loans Not Past Due	963,376	876,403
Total	967,245	877,843
Commercial Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	472
Loans Not Past Due	595,431	505,229
Total	595,903	505,229
SBA Loans-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	1,873	311
Loans Not Past Due	123,700	117,682
Total	125,573	117,993
SBA Loans—Non-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	3
Loans Not Past Due	11,328	9,932
Total	11,331	9,932
Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	374	680
Loans Not Past Due	107,608	113,617
Total	107,982	114,297
Home Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	1,147	449
Loans Not Past Due	122,434	127,357
Total	123,581	127,806
Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Loans Not Past Due	2,875	2,586
Total	2,875	2,586
30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	2,579	449
30-59 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	472
30-59 Days Past Due | SBA Loans-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	1,293
30-59 Days Past Due | SBA Loans—Non-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	3
30-59 Days Past Due | Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	374
30-59 Days Past Due | Home Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	437	449
60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	580
60-89 Days Past Due | SBA Loans-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	580
> 90 Days Pass Due
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	710	991
> 90 Days Pass Due | SBA Loans-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans		311
> 90 Days Pass Due | Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans		$ 680
> 90 Days Pass Due | Home Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	$ 710