Basis of Presentation Basis of Presentation - Cequent Spinoff (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	7 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2015	Jun. 30, 2015	Sep. 30, 2016	Sep. 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	$ 5,050				$ 5,050		$ 6,050
Debt financing and extinguishment costs	$ 0	$ 0			$ 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
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