Other Liabilities (Summary Of Other Liabilities) (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014	Aug. 29, 2014
Other Liabilities [Abstract]
Lease liability	$ 5,900,000	$ 5,900,000
Security deposit payable	202,000	202,000
Accrued pension	1,197,000	855,000
Interest rate swap	1,399,000
Other	69,000	12,000
Other current liabilities	8,767,000	6,969,000
Foreign withholding taxes	7,150,000	7,016,000
Straight-line rent liability	9,245,000	9,246,000
Environmental reserve	1,656,000	1,656,000
Accrued pension	6,488,000	6,740,000	$ 7,500,000
Interest rate swap	329,000	2,177,000
Acquired leases	1,060,000	1,265,000
Deferred Revenue - Real Estate	4,976,000	5,083,000
Other	7,250,000	7,394,000
Other liabilities	$ 38,154,000	$ 40,577,000