Other Liabilities (Summary Of Other Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Aug. 29, 2014
Other Liabilities [Abstract]
Lease liability	$ 5,900	$ 5,900
Security deposit payable	202	202
Accrued pension	1,368	855
Interest rate swap	962
Other	69	12
Other Liabilities, Current, Total	8,501	6,969
Straight-line rent liability	10,737	9,246
Foreign withholding taxes	7,217	7,016
Accrued pension	6,362	6,740	$ 7,500
Lease make-good provision	4,201	4,977
Deferred Revenue - Real Estate	4,541	5,083
Environmental reserve	1,656	1,656
Interest rate swap	520	2,177
Acquired leases	959	1,265
Other	2,915	2,417
Other liabilities	$ 39,108	$ 40,577