Loans (Schedule of the Activity Regarding TDRs by Loan Type) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	$ 28,363
Additions	63
Charge-offs	0
Net (paydowns) advances	(953)
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	27,473
Allowance related to troubled debt restructurings	794
Land and Land Improvements [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	3,043
Additions	0
Charge-offs	0
Net (paydowns) advances	(75)
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	2,968
Allowance related to troubled debt restructurings	441
Construction [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0
Additions	0
Charge-offs	0
Net (paydowns) advances	0
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	0
Allowance related to troubled debt restructurings	0
Commercial [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	412
Additions	0
Charge-offs	0
Net (paydowns) advances	(270)
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	142
Allowance related to troubled debt restructurings	0
Owner Occupied [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	9,545
Additions	0
Charge-offs	0
Net (paydowns) advances	(71)
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	9,474
Allowance related to troubled debt restructurings	124
Non-Owner Occupied [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	5,234
Additions	0
Charge-offs	0
Net (paydowns) advances	244
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	5,478
Allowance related to troubled debt restructurings	24
Non-Jumbo [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	5,195
Additions	63
Charge-offs	0
Net (paydowns) advances	(739)
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	4,519
Allowance related to troubled debt restructurings	192
Jumbo [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	4,393
Additions	0
Charge-offs	0
Net (paydowns) advances	(39)
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	4,354
Allowance related to troubled debt restructurings	13
Home Equity Line of Credit [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	523
Additions	0
Charge-offs	0
Net (paydowns) advances	0
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	523
Allowance related to troubled debt restructurings	0
Mortgage Warehouse Lines [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0
Additions	0
Charge-offs	0
Net (paydowns) advances	0
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	0
Allowance related to troubled debt restructurings	0
Consumer Portfolio Segment [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	18
Additions	0
Charge-offs	0
Net (paydowns) advances	(3)
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	15
Allowance related to troubled debt restructurings	0
Other Loans [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0
Additions	0
Charge-offs	0
Net (paydowns) advances	0
Transfer into foreclosed properties	0
Refinance out of TDR status	0
Troubled debt restructurings, ending balance	0
Allowance related to troubled debt restructurings	$ 0