Shareholder's Equity - Additional Information (Detail) - USD ($)
11 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Feb. 10, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Ordinary shares, shares authorized 50,000,000 50,000,000     50,000,000
Ordinary shares, par value $ 0.001 $ 0.001     $ 0.001
Ordinary shares, shares issued 5,000,053 5,000,053     5,000,053
Ordinary shares, shares outstanding 5,000,053 5,000,053     5,000,053
Time-Based Restricted Stock Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share based compensation expense allocated from VDC   $ 402,000      
Number of shares granted 44,946 44,946      
Unrecognized share based compensation expense $ 3,900,000 $ 3,900,000      
Weighted average vesting period (years)   3 years 2 months 12 days      
Performance-Based Restricted Stock Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share based compensation expense allocated from VDC   $ 0      
Number of shares granted 97,749 97,749      
Terms of award   The TBGs vest ratably over the first four anniversaries of the Effective Date; however, accelerated vesting is provided for in the event of a qualified liquidity event as defined (a “QLE”). Otherwise, the settlement of any vested TBGs occurs upon the seventh anniversary of the Effective Date. The PBGs contain vesting eligibility provisions tied to the earlier of a QLE or seven years from the Effective Date.      
Unrecognized share based compensation expense $ 9,400,000 $ 9,400,000      
Performance-Based Restricted Stock Units | Maximum          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Award vesting period   7 years      
Employee and Director | Time-Based Restricted Stock Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares granted   44,946      
Employee and Director | Performance-Based Restricted Stock Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares granted   97,749      
V D C          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Ownership percentage by parent     100.00%    
Share based compensation expense allocated from VDC     $ 5,800,000 $ 7,900,000