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STOCK BASED COMPENSATION
 3 Months Ended
Mar. 31, 2022
Share-based Payment Arrangement [Abstract]  
STOCK BASED COMPENSATION STOCK BASED COMPENSATION
Equity-Based Compensation
The following table provides the outstanding balance of time-based and performance based RSUs and stock options as of March 31, 2022:
Restricted Stock Units
 (time and performance)		Stock Options
UnitsWeighted Average
Grant Date Fair
Value		UnitsWeighted
Average Exercise
Price Per Share
Balance at March 31, 20221,641,411 $27.28 3,582,800 $23.10 

The following table provides information regarding the amount and components of stock-based compensation expense, all of which is included in general and administrative expenses in the Condensed Consolidated Statements of Operations (in thousands):
 Three Months Ended
March 31,
 20222021
Restricted stock units (1)
$5,780 $4,748 
Stock options1,083 934 
Total stock compensation$6,863 $5,682 
(1) Includes compensation expense related to time-based RSUs and performance-based RSUs.
At March 31, 2022 and December 31, 2021, the aggregate unrecognized value of all outstanding stock-based compensation awards was approximately $43.2 million and $26.5 million, respectively.