Equity Investees (Schedule Of Balance Sheet Information For Equity Investees) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Equity Method Investments and Joint Ventures [Abstract]
Current assets	$ 45,840	$ 70,921
Fixed assets, net	1,023,865	1,028,808
Other assets	5,507	6,823
Total assets	1,075,212	1,106,552
Current liabilities	20,624	55,918
Other liabilities	203,104	190,578
Equity	851,484	860,056
Total liabilities and equity	$ 1,075,212	$ 1,106,552