Loans (Schedule of the Activity Regarding TDRs by Loan Type) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	$ 27,827	$ 28,363
Additions	94	1,056
Charge-offs	0	(55)
Net (paydowns) advances	(368)	(1,811)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	27,553	27,553
Allowance related to troubled debt restructurings	1,372	1,372
Land and Land Improvements [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	2,948	3,043
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(203)	(298)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	2,745	2,745
Allowance related to troubled debt restructurings	772	772
Construction [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0	0
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	0	0
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	0	0
Allowance related to troubled debt restructurings	0	0
Commercial [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	293	412
Additions	0	157
Charge-offs	0	0
Net (paydowns) advances	(13)	(289)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	280	280
Allowance related to troubled debt restructurings	0	0
Owner Occupied [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	9,433	9,545
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(48)	(160)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	9,385	9,385
Allowance related to troubled debt restructurings	271	271
Non-Owner Occupied [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	5,306	5,234
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(38)	34
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	5,268	5,268
Allowance related to troubled debt restructurings	12	12
Non-Jumbo [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	4,972	5,195
Additions	94	899
Charge-offs	0	(55)
Net (paydowns) advances	(31)	(1,004)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	5,035	5,035
Allowance related to troubled debt restructurings	210	210
Jumbo [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	4,339	4,393
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(33)	(87)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	4,306	4,306
Allowance related to troubled debt restructurings	107	107
Home Equity Line of Credit [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	523	523
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	0	0
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	523	523
Allowance related to troubled debt restructurings	0	0
Mortgage Warehouse Lines [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0	0
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	0	0
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	0	0
Allowance related to troubled debt restructurings	0	0
Consumer Portfolio Segment [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	13	18
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(2)	(7)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	11	11
Allowance related to troubled debt restructurings	0	0
Other Loans [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0	0
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	0	0
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	0	0
Allowance related to troubled debt restructurings	$ 0	$ 0