Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Detail)

v3.7.0.1
Stock-Based Compensation - Summary of Stock Option Activity (Detail)
 12 Months Ended
Dec. 31, 2016
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Exercised or converted, Number of Shares | shares 0.000
Outstanding, Ending Balance, Number of Shares | shares 43,375.418
Exercisable, Number of Shares | shares 0.000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Granted, Weighted Average Exercise Price Per Share | $ / shares $ 1,000
Exercised or converted, Weighted Average Exercise Price Per Share | $ / shares 0
Forfeited or expired, Weighted Average Exercise Price Per Share | $ / shares 1,000
Outstanding, Ending Balance, Weighted Average Exercise Price Per Share | $ / shares 1,000
Exercisable, Weighted Average Exercise Price Per Share | $ / shares $ 0.000
Outstanding, Weighted Average Remaining Contractual Term (Years) 8 years
Outstanding, Aggregate Intrinsic Value | $ $ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares | shares (1,760.000)
2014 Equity Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding, Ending Balance, Number of Shares | shares 40,625.418
Exercisable, Number of Shares | shares 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Outstanding, Ending Balance, Weighted Average Exercise Price Per Share | $ / shares $ 1,000
Exercisable, Weighted Average Exercise Price Per Share | $ / shares $ 0
Outstanding, Weighted Average Remaining Contractual Term (Years) 9 years
Outstanding, Aggregate Intrinsic Value | $ $ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares 4,510.000