Quarterly report pursuant to Section 13 or 15(d)

Summary of Restricted Stock Activity (Detail)

v3.20.1
Summary of Restricted Stock Activity (Detail) - Restricted Stock
3 Months Ended
Mar. 31, 2020
$ / shares
shares
Shares of Restricted Stock  
Shares of Restricted Stock, Beginning balance | shares 783,823
Shares of Restricted Stock, Granted | shares 353,196
Shares of Restricted Stock, Vested | shares (260,278)
Shares of Restricted Stock, Forfeited | shares (11,244)
Shares of Restricted Stock, Ending balance | shares 865,497
Shares of Restricted Stock, Unvested restricted stock | shares 865,497
Weighted Average Grant Date Fair Value  
Weighted Average Grant Date Fair Value Outstanding, Beginning | $ / shares $ 37.53
Weighted Average Grant Date Fair Value, Granted | $ / shares 32.12
Weighted Average Grant Date Fair Value, Vested | $ / shares 35.05
Weighted Average Grant Date Fair Value, Forfeited | $ / shares 37.52
Weighted Average Grant Date Fair Value Outstanding, Ending | $ / shares 36.07
Weighted Average Grant Date Fair Value, Unvested restricted stock | $ / shares $ 36.07