Related Party Transactions (Summary of Related Party Transactions) (Details) - Affiliated Entity [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Related Party Transaction [Line Items]
Tax, utility, insurance and other reimbursement	$ 206	$ 192	$ 349	$ 372
Rent expense	254	254	508	507
Capital assets acquired	119	87	352	167
Total	$ 579	$ 533	$ 1,209	$ 1,046