Other Liabilities (Summary Of Other Liabilities Including Pension) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015		Aug. 29, 2014
Other Liabilities [Abstract]
Lease liability	$ 5,900	$ 5,900
Security deposit payable	126	180
Accrued pension	2,052	1,539
Other		21
Other current liabilities	8,078	7,640	[1]
Straight-line rent liability	12,385	10,823
Accrued pension	5,858	6,236		$ 7,500
Lease make-good provision	5,224	5,228
Deferred revenue - real estate	4,662	4,596
Environmental reserve	1,656	1,656
Interest rate swap	200	156
Acquired leases	296	866
Other	475	501
Other liabilities	$ 30,756	$ 30,062	[1]

[1] Certain prior period amounts have been reclassified to conform to the current period presentation (see Note 1 - The Company and Basis of Presentation - Reclassifications)