Equity Method Investments (Schedule of Income (Loss) From Equity Method Investments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Schedule of Equity Method Investments [Line Items]
Proportionate share of net loss of equity method investees:	$ (328)	$ (10,602)	$ (593)	$ (29,011)
Amortization of difference in carrying amount and underlying equity in Joint Venture	0	(750)	0	(2,250)
Total loss from equity method investments	(328)	(11,352)	(593)	(31,261)
Joint Venture
Schedule of Equity Method Investments [Line Items]
Proportionate share of net loss of equity method investees:	0	(10,378)	0	(28,339)
Pursuant Health, Inc. (fka SoloHealth, Inc.)
Schedule of Equity Method Investments [Line Items]
Proportionate share of net loss of equity method investees:	$ (328)	$ (224)	$ (593)	$ (672)