Loans (Classification of Loans By Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	$ 1,293,395	$ 1,147,864
SBA loans held for sale	11,171	22,810
Total loans	1,304,566	1,170,674
SBA loans held for investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	39,333	43,999
SBA 504 loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	29,155	21,871
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	694,102	628,865
Commercial loans | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	104,587	82,825
Commercial loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	510,370	469,696
Commercial loans | Commercial real estate construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	49,990	54,473
Residential mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	436,056	365,145
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	123,904	109,855
Consumer loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	59,887	55,817
Consumer loans | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for investment	$ 64,017	$ 54,038