Sky Growth Merger - Additional Information (Details) (Sky Growth Merger [Member], USD $)	0 Months Ended	3 Months Ended	12 Months Ended
	Sep. 28, 2012	Dec. 31, 2012	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Acquired ownership percentage	100.00%
Manager [Member]
Business Acquisition [Line Items]
Management services expenses, percentage of EBITDA	1.00%
Management services expenses, maximum annual expenses	$ 4,000,000
Manager [Member] | Successor [Member] | Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Management services expenses		$ 700,000	$ 4,000,000	$ 3,600,000