Basis of Presentation Basis of Presentation - Cequent Spinoff (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		7 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2015	Dec. 31, 2015
Presentation of spin-off costs [Line Items]
Cash distribution received from Cequent spin-off		$ 214,500		$ 214,500
Cequent Spin-off, one-time costs				29,000	$ 30,000
Debt Issuance Costs, Net	$ 5,380		$ 5,380			$ 6,050
Debt financing and extinguishment costs	$ 0	(1,970)	$ 0	(1,970)
Continuing Operations [Member]
Presentation of spin-off costs [Line Items]
Cequent Spin-off, one-time costs				3,000
Debt Issuance Costs, Net		1,000		1,000	1,000
Debt financing and extinguishment costs				2,000
Discontinued Operations [Member]
Presentation of spin-off costs [Line Items]
Cequent Spin-off, one-time costs					18,000
Debt Issuance Costs, Net		$ 9,000		$ 9,000	$ 9,000