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STOCK-BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Summary of Additional Information Concerning Restricted Stock Units
The following table summarizes additional information concerning restricted stock units at December 31, 2022:
Restricted Stock UnitsWeighted Average Grant Date Fair Value Per Unit
Unvested as of December 31, 20211,656,544 $16.19 
Granted862,603 12.78 
Vested(377,632)14.97 
Dividends reinvested170,225 16.29 
Cancelled/forfeited(163,956)15.92 
Unvested as of December 31, 20222,147,784 $15.07 
Summary of Assumptions Used in Total Stockholder Return-Based Stock Units Valuation The following are the key assumptions used in this valuation:
202220212020
Risk free interest rate
0.99% - 4.13%
0.17% - 0.99%
0.17% - 1.63%
Expected stock price volatility
53.60% - 56.11%
53.17% - 53.60%
23.80% - 53.17%
Expected service period
3.0 years
3.0 years
2.7 - 3.0 years
Expected dividend yield (assuming full reinvestment)— %— %— %