Contract Rights Under Development Agreements and Customer Agreements (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Contract Rights Under Development and Customer Agreements [Line Items]
Amortization expense related to intangible assets	$ 4,200,000	$ 4,100,000	$ 7,900,000	$ 8,900,000
Successor [Member]
Contract Rights Under Development and Customer Agreements [Line Items]
Accretion of contract rights under development agreements and customer agreements	3,000		9,000
Amortization expense related to intangible assets	2,100,000		4,300,000
Predecessor [Member]
Contract Rights Under Development and Customer Agreements [Line Items]
Accretion of contract rights under development agreements and customer agreements		$ 1,048,000		$ 1,955,000