Loans (Summary of Loans, Net of Unearned Fees) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	$ 1,643,407	$ 1,606,309
Less allowance for loan losses	12,257	12,565
Loans, net	1,631,150	1,593,744
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	189,586	189,981
Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	265,075	250,202
Non-Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	498,445	484,902
Land and Land Improvements [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	66,841	67,219
Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	33,327	33,412
Non-Jumbo [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	346,477	354,101
Jumbo [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	67,169	62,267
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	83,382	84,028
Mortgage Warehouse Lines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	45,702	30,757
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	34,825	36,202
Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	$ 12,578	$ 13,238