Related Parties - Additional Information (Detail)		1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 05, 2012 USD ($)	Aug. 31, 2010 USD ($)	Jun. 30, 2015 USD ($) Entity	Jun. 30, 2014 USD ($) Entity	Jun. 30, 2015 USD ($) Entity	Jun. 30, 2014 USD ($) Entity
Blane Walter [Member]
Related Party Transaction [Line Items]
Related party transaction services value					$ 120,000
Services fees				$ 600,000	$ 1,800,000	$ 1,500,000
Minimum [Member] | Blane Walter [Member]
Related Party Transaction [Line Items]
Percentage of interest hold			10.00%		10.00%
Maximum [Member] | Blane Walter [Member]
Related Party Transaction [Line Items]
Services fees			$ 100,000
THL [Member]
Related Party Transaction [Line Items]
Management fee description					THL Management Agreement, THL Managers will receive an aggregate annual management fee in an amount per year equal to the greater of (a) $2.5 million or (b) 1.5% of EBITDA
Annual management fee		$ 2,500,000	$ 700,000	$ 700,000	$ 1,400,000	$ 1,400,000
Percentage of management fee in EBITDA		1.50%
Number of entities | Entity			4	4	4	4
Related party transaction services value					$ 120,000
Related parties, description of transaction					THL or its affiliates held a 10% or greater interest that provided services exceeding $120,000 in value to the Company.
Services fees			$ 1,100,000	$ 1,000,000	$ 2,700,000	$ 2,300,000
THL [Member] | Minimum [Member]
Related Party Transaction [Line Items]
Percentage of interest hold			10.00%		10.00%
Liberty Lane [Member]
Related Party Transaction [Line Items]
Annual management fee	$ 800,000	$ 1,000,000		$ 200,000		$ 400,000
Reversal of management fees			$ (200,000)