Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Additional Information (Detail)

v3.7.0.1
Stock-Based Compensation - Additional Information (Detail) - USD ($)
6 Months Ended 12 Months Ended
Dec. 31, 2014
Jun. 29, 2014
Dec. 31, 2016
Dec. 31, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Predecessor's stock (in shares)     43,375.418    
Common stock options available for grant (in shares)     45,445.418   44,021.264
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares     1,760.000    
Dividend yield (as a percent)     0.00%    
Expected volatility (as a percent)     31.50%    
Fair value of option     $ 373.560    
Unrecognized compensation expense for unvested options     $ 5,121,000    
Weighted average period required for recognition of compensation expense     3 years    
Awards granted (in shares)     0    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options     $ 500,000    
2014 Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Predecessor's stock (in shares)     40,625.418    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     4,510.000    
Dividend yield (as a percent)     0.00%    
Share based compensation     $ 1,513,000 $ 957,000  
2014 Equity Incentive Plan | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Risk-free interest rate (as a percent)     1.27%    
Expected term     6 years 6 months    
2014 Equity Incentive Plan | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Risk-free interest rate (as a percent)     2.17%    
Expected term     6 years 9 months    
Time Based Vesting          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Predecessor's stock (in shares)     22,137.710    
Performance Based Stock Option          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Predecessor's stock (in shares)     21,237.708    
Performance Based Stock Option | 2014 Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share based compensation     $ 0    
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated Share-based Compensation Expense     $ 767,000 333,000  
Restricted Stock | 2014 Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards granted (in shares)     1,600    
Restricted Stock | 2014 Equity Incentive Plan | Tranches 1 and 2          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards granted (in shares)     1,500    
Award vesting period     2 years    
Restricted Stock | 2014 Equity Incentive Plan | Tranche 1          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting (as a percent)     50.00%    
Restricted Stock | 2014 Equity Incentive Plan | Tranche 2          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting (as a percent)     50.00%    
Restricted Stock | 2014 Equity Incentive Plan | Tranche 3          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards granted (in shares)     100    
Award vesting period     1 year    
Predecessor          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Predecessor's stock (in shares)   44,180      
Share based compensation   $ 39,229,000      
Successor          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share based compensation $ 675,000   $ 2,280,000 1,290,000  
Stock based compensation 675,000     1,290,000  
Deferred stock units right to receive a cash payment 0 2,893,000 719,000 678,000  
Successor | Additional Paid-in Capital          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock based compensation     $ 2,280,000 $ 1,290,000  
Successor | 2014 Equity Incentive Plan | Additional Paid-in Capital          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock based compensation $ 675,000        
Employee Stock Option | Predecessor          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Predecessor's liability   $ 48,517,000