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STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2025
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of restricted stock award and unit activity
The following tables summarizes activity for the three months ended March 31, 2025 and 2024:
Number of
Unvested
Restricted Stock Units
Weighted
Average
Grant Date
Fair Value
Number of
Unvested
Performance Vesting Restricted Stock Units
Weighted
Average
Grant Date
Fair Value
Unvested shares as of January 1, 2025167,014 $115.67 178,139 $92.06 
Granted61,350 169.80 41,016 165.39 
Vested(40,011)112.93 — — 
Forfeited/canceled(1,288)126.93 — — 
Unvested shares as of March 31, 2025187,065 $133.93 219,155 $105.78 
Number of
Unvested
Restricted Stock Units
Weighted
Average
Grant Date
Fair Value
Number of
Unvested
Performance Vesting Restricted Stock Units
Weighted
Average
Grant Date
Fair Value
Unvested shares as of January 1, 2024193,602 $83.89 255,578 $54.40 
Granted69,436 152.54 58,346 156.00 
Vested(17,720)75.96 — — 
Forfeited/canceled(747)99.88 — — 
Unvested shares as of March 31, 2024244,571 $103.91 313,924 $73.28 
Schedule of Grant Date Fair Value of Awards Granted
The table below summarizes the assumptions used in the Monte Carlo simulation to determine the grant date fair value of awards granted during the three months ended March 31, 2025 and 2024:
Grant dateMarch 1, 2024March 1, 2025
Forecast period (years)33
Risk-free interest rates4.36%3.99%
Implied equity volatility46.70%44.60%