Loans (Schedule of the Activity Regarding TDRs by Loan Type) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	$ 26,850	$ 28,622
Additions	2,888	3,974
Charge-offs	0	(65)
Net (paydowns) advances	(762)	(3,555)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	28,976	28,976
Allowance related to troubled debt restructurings	1,079	1,079
Land and Land Improvements [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	2,639	3,337
Additions	438	438
Charge-offs	0	0
Net (paydowns) advances	(15)	(713)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	3,062	3,062
Allowance related to troubled debt restructurings	461	461
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	438	711
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(12)	(285)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	426	426
Allowance related to troubled debt restructurings	259	259
Owner Occupied [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	7,315	7,383
Additions	2,302	2,302
Charge-offs	0	0
Net (paydowns) advances	(31)	(99)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	9,586	9,586
Allowance related to troubled debt restructurings	127	127
Non-Owner Occupied [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	5,245	6,714
Additions	148	148
Charge-offs	0	(65)
Net (paydowns) advances	(45)	(1,449)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	5,348	5,348
Allowance related to troubled debt restructurings	0	0
Non-Jumbo [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	6,200	5,417
Additions	0	1,086
Charge-offs	0	0
Net (paydowns) advances	(621)	(924)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	5,579	5,579
Allowance related to troubled debt restructurings	217	217
Jumbo [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	4,456	4,493
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(33)	(70)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	4,423	4,423
Allowance related to troubled debt restructurings	15	15
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	34	44
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(5)	(15)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	29	29
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