Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Related Party Transaction [Line Items]
Equity distribution	$ (57,315)	$ (48,626)	$ (162,933)	$ (150,213)
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Tower Count	25.00%		25.00%
Accumulated Earnings (Deficit) [Member]
Related Party Transaction [Line Items]
Equity distribution	$ (57,315)	$ (48,626)	$ (162,933)	$ (150,213)