Commitments And Contingencies (Annual Minimum Lease Payments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Commitments And Contingencies [Abstract]
Capital Leases, due on 2014	$ 1,743
Capital Leases, due on 2015	1,340
Capital Leases, due on 2016	649
Capital Leases, due on 2017	173
Total minimum lease payments	3,905
Less: amount representing interest	(226)
Present value of future payments	3,679
Less: current obligations	(1,715)
Long-term obligations	1,964
Operating Leases, due on 2014	142,461
Operating Leases, due on 2015	143,508
Operating Leases, due on 2016	144,426
Operating Leases, due on 2017	146,051
Operating Leases, due on 2018	147,448
Operating Leases, due on thereafter	2,740,007
Total minimum lease payments, Operating Leases	$ 3,463,901