Loans - Schedule of Aging of Recorded Investment in Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	$ 2,073	$ 1,440
Loans Not Past Due	914,111	876,403
Total	916,184	877,843
Commercial Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Loans Not Past Due	547,048	505,229
Total	547,048	505,229
SBA Loans-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	1,013	311
Loans Not Past Due	120,295	117,682
Total	121,308	117,993
SBA Loans—Non-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Loans Not Past Due	9,875	9,932
Total	9,875	9,932
Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans		680
Loans Not Past Due	107,105	113,617
Total	107,105	114,297
Home Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	1,060	449
Loans Not Past Due	127,321	127,357
Total	128,381	127,806
Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Loans Not Past Due	2,467	2,586
Total	2,467	2,586
30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	2,073	449
30-59 Days Past Due | SBA Loans-Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	1,013
30-59 Days Past Due | Home Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans	$ 1,060	449
> 90 Days Pass Due
Financing Receivable Recorded Investment Past Due [Line Items]
Past Due Loans		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