Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation - Summary of Equity Grants (Detail)

v3.8.0.1
Equity-Based Compensation - Summary of Equity Grants (Detail)
9 Months Ended
Sep. 30, 2016
$ / shares
shares
Performance Units  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Beginning Balance, Units | shares 6,386
Forfeited, Units | shares (6,386)
Fair Value per unit | $ / shares $ 3.75
Deferred Compensation Share Based Payments  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Beginning Balance, Units | shares 4,911
Vested, Units | shares (4,911)
Deferred Compensation Share Based Payments | Minimum  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Fair Value per unit | $ / shares $ 12.00
Deferred Compensation Share Based Payments | Maximum  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Fair Value per unit | $ / shares 14.25
Vested, Range of Fair Value per unit | $ / shares $ (10.92)