Other Liabilities (Summary Of Other Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other Liabilities [Abstract]
Lease liability	$ 5,855
Security deposit payable	174	137
Other	3
Other current liabilities	6,032	137
Foreign withholding taxes	6,480	6,212
Straight-line rent liability	8,893	8,067
Lease liability		5,746
Environmental reserve	1,656	1,656
Accrued pension	6,976	4,289
Interest rate swap	5,855	4,722
Acquired leases	2,078	2,742
Other payable	1,191	1,243
Other	630	962
Other liabilities	$ 33,759	$ 35,639