Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Additional Information (Detail)

v2.4.1.9
Fair Value Measurements - Additional Information (Detail) (USD $)
6 Months Ended 12 Months Ended
Dec. 31, 2014
Jun. 29, 2014
Dec. 31, 2013
Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]        
Interest rate derivative $ (935,000)us-gaap_InterestRateDerivativesAtFairValueNet      
Interest Rate Cap [Member]        
Schedule of Trading Securities and Other Trading Assets [Line Items]        
Interest rate derivative 0us-gaap_InterestRateDerivativesAtFairValueNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateCapMember
     
Successor [Member]        
Schedule of Trading Securities and Other Trading Assets [Line Items]        
Unrealized gains (losses) on securities recorded as other income 43,000us-gaap_UnrealizedGainLossOnSecurities
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
     
Predecessor [Member]        
Schedule of Trading Securities and Other Trading Assets [Line Items]        
Unrealized gains (losses) on securities recorded as other income   $ 95,000us-gaap_UnrealizedGainLossOnSecurities
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
$ 364,000us-gaap_UnrealizedGainLossOnSecurities
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
$ 329,000us-gaap_UnrealizedGainLossOnSecurities
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember