XML 47 R33.htm IDEA: XBRL DOCUMENT v3.20.4
Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]  
Summary of Restricted Stock Unit Activity
The following table summarizes the Company's RSU activity under the Incentive Award Plan during the years ended December 31, 2020, 2019 and 2018:
Unvested
Time-Based
RSUs
Unvested
Performance-Based
RSUs
Weighted Average
Grant Date Value
Per Share (a)
Outstanding as of January 1, 20181,535,505$3.19
Shares granted1,950,307$3.14
Shares vested(1,349,852)$3.20
Shares forfeited(587,810)$3.19
Outstanding as of December 31, 20181,548,150$3.18
Shares granted1,225,1701,450,811$3.14
Shares vested(1,275,188)$3.18
Shares forfeited(202,441)(61,169)$3.17
Outstanding as of December 31, 20191,295,6911,389,642$3.14
Shares granted1,255,7932,484,346$3.14
Shares vested(1,144,343)$3.14
Shares forfeited(303,325)(553,034)$3.14
Outstanding as of December 31, 20201,103,8163,320,954$3.14
(a)On May 8, 2020, the board of directors approved a grant of time-based and performance-based RSUs under the Incentive Award Plan at the most recent estimated net asset value per share of $3.14 as of May 1, 2019. Periodically, the Company engages an independent third-party valuation advisory consulting firm to estimate the per share value of the Company's common stock.