Annual report pursuant to Section 13 and 15(d)

Deferred Compensation Plan - Additional Information (Detail)

v3.7.0.1
Deferred Compensation Plan - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Jun. 29, 2014
Investments And Employee Deferred Compensation Plan [Line Items]        
Percentage of deferred salary and commissions (up to) 25.00%      
Percentage of bonuses (up to) 100.00%      
Percentage of deferred matching contribution amount 25.00%      
Vesting schedule 5 years      
Assets held in mutual funds $ 1,787,000 $ 2,021,000    
Restricted investments 271,000 639,000    
Successor        
Investments And Employee Deferred Compensation Plan [Line Items]        
Distributions from the deferred compensation plan aggregated 719,000 $ 678,000 $ 0 $ 2,893,000
Maximum        
Investments And Employee Deferred Compensation Plan [Line Items]        
Matching contribution on deferred amount (up to) $ 10,000