XML 53 R36.htm IDEA: XBRL DOCUMENT v3.24.0.1
Share-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Restricted Stock Awards ("RSAs")
Restricted Stock Awards (“RSAs”) generally vest in annual installments between one and three years from each grant date. The following table provides a summary of RSAs for the years ended December 31, 2023, 2022 and 2021:
Number of Shares
Weighted-Average
Grant Date
Fair Value
Unvested at January 1, 2021
834,258$21.68 
Granted434,48620.52 
Vested(456,357)19.08 
Forfeited(23,065)22.45 
Unvested at December 31, 2021
789,32222.52 
Granted471,61418.16 
Vested(378,605)22.51 
Forfeited(38,485)20.28 
Unvested at December 31, 2022
843,84620.19 
Granted696,35613.45 
Vested(539,133)20.39 
Forfeited(18,484)15.52 
Unvested at December 31, 2023
982,585$15.40 
Schedule of Performance Stock Units ("PSUs")
The following table provides a summary of PSUs for the years ended December 31, 2023, 2022 and 2021:
 
Number of Shares
Weighted-Average
Grant Date
Fair Value
Unvested at January 1, 2021
1,078,555$18.70 
Granted327,41627.16 
Vested(428,255)16.33 
Forfeited(5,642)20.29 
Unvested at December 31, 2021
972,07422.59 
Granted393,22521.93 
Forfeited(166,974)34.47 
Unvested at December 31, 2022
1,198,32520.71 
Granted590,80519.96 
Forfeited(261,554)24.80 
Unvested at December 31, 2023
1,527,576$19.72 
Schedule of Grant Date Fair Values of Awards Using Monte Carlo Simulation Valuation Model
The grant date fair values of the awards that are subject to the achievement of market conditions based on total shareholder return were determined using a Monte Carlo simulation valuation model with the following assumptions:
 Year Ended December 31,
 202320222021
Expected volatility48.0 %57.5 %60.0 %
Dividend yield(1)
Risk-free rate4.3 %1.7 %
0.2% - 0.3%
Expected term3 years3 years3 years
____________________________________________________________________________________
(1)Dividends are assumed to be reinvested in shares of our common stock and dividends will not be paid unless shares vest.