Interest and Debt Expense - Details of Interest and Debt Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest And Debt Expense [Line Items]
Interest and debt expense	$ 42,237		$ 125,191
Amortization of deferred financing costs	584		1,754
Total interest and debt expense	$ 42,821		$ 126,945
Predecessor [Member]
Interest And Debt Expense [Line Items]
Interest and debt expense		$ 7,906		$ 23,477
Amortization of deferred financing costs		109		325
Total interest and debt expense		$ 8,015		$ 23,802