Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plans - Summary of SARs Activity - Pre-IPO (Parenthetical) (Detail)

v3.3.1.900
Stock-Based Compensation Plans - Summary of SARs Activity - Pre-IPO (Parenthetical) (Detail) - shares
1 Months Ended 12 Months Ended
Nov. 30, 2013
Dec. 31, 2015
MMREIS Managing Directors [Member] | 2013 Omnibus Equity Incentive Plan [Member] | Deferred stock units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fully vested deferred stock units 2,192,413 2,192,413