Significant Accounting Policies (Details 5) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Significant Accounting Policies
Interest expense	$ (229,654)	$ (249,780)	$ (692,801)	$ (758,945)
Other Income	72,545	54,987	260,736	139,918
NET INCOME ATTRIBUTABLE TO UNITHOLDERS	$ 490,344	$ 294,900	1,466,453	1,169,875
Accumulated derivative losses, net | Amount reclassified from accumulated other comprehensive income (loss)
Significant Accounting Policies
Interest expense			(8,097)	(7,947)
NET INCOME ATTRIBUTABLE TO UNITHOLDERS			(8,097)	$ (7,947)
Net gain (loss) on marketable securities | Amount reclassified from accumulated other comprehensive income (loss)
Significant Accounting Policies
Other Income			80,187
NET INCOME ATTRIBUTABLE TO UNITHOLDERS			$ 80,187