Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Equity-Based Compensation - Summary of RSU Grants (Detail) - Restricted Stock Units
9 Months Ended
Sep. 30, 2016
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Beginning Balance, Units | shares 966,510
Granted | shares 14,373
Vested | shares (241,627)
Ending Balance, Units | shares 739,256
Fair Value per unit $ 13.23
Granted 13.19
Vested (13.23)
Minimum  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Fair Value per unit 13.19
Maximum  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Fair Value per unit $ 13.23