Long-Term Debt (Schedule Of Future Minimum Lease Obligations) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Finance Lease Obligations, Future Minimum Payments [Abstract]
2015	$ 7,043
2016	7,225
2017	7,418
2018	7,632
2019	7,838
Thereafter	63,055
Total future payments	100,211
Less: Amounts representing interest	(56,951)
Present value of minimum lease payments	43,260
Capital Lease Obligations, Future Minimum Payments [Abstract]
2015	3,245
2016	3,300
2017	3,357
2018	3,415
2019	3,474
Thereafter	16,790
Total future payments	33,581
Less: Amounts representing interest	(9,092)
Present value of minimum lease payments	$ 24,489