XML 57 R46.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation - Performance Stock Unit Activity (Details) - Performance stock units
9 Months Ended
Sep. 30, 2020
$ / shares
shares
Awards  
Unvested balance, beginning of period (in shares) | shares 872,672
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period | shares 0
Granted (in shares) | shares 0
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations | shares (193,391)
Forfeited (in shares) | shares 0
Unvested balance, end of period (in shares) | shares 679,281
Weighted Average Grant-Date Fair Value  
Beginning of period (in dollars per share) | $ / shares $ 13.44
Vested (in dollars per share) | $ / shares 0
Granted (in dollars per share) | $ / shares 0
Share-Based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Cancellations, Weighted Average Grant Date Fair Value | $ / shares 21.53
Forfeited (in dollar per share) | $ / shares 0
End of period (in dollars per share) | $ / shares $ 11.13