Loans (Schedule of Accretable Yield, or Income Expected to be Collected) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning Balance	$ 2,705	$ 2,198	$ 2,521	$ 1,279
New Loans Purchased	0	0	0	1,395
Accretion of Income	(43)	(100)	(325)	(576)
Reclassifications from Non-accretable Difference	146	570	612	570
Charge-off of Accretable Yield	0	0	0	0
Ending Balance	$ 2,808	$ 2,668	$ 2,808	$ 2,668