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SHARE-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
SCHEDULE OF MONTE CARLO SIMULATION MODEL
The following table provides details of the inputs used in the Monte Carlo simulation model:
Three months ended March 31,2021
Expected volatility 32.99%
Expected term (in years)3.0
Expected dividend yieldn/a
Risk-free interest rate0.17%
RECONCILIATIONS OF BEGINNING AND ENDING BALANCE OF NONVESTED RESTRICTED STOCK (INCLUDING RSUS) TO BE SETTLED IN SHARES AND CASH
The following table provides an activity summary of the Company's share-settled restricted stock units for the three months ended March 31, 2021:
Share-Settled Performance
Restricted Stock Units
Share-Settled Service
Restricted Stock Units
Number of
restricted
stock units
Weighted 
average
grant date
fair value
Number of
restricted
stock units
Weighted  average
grant date
fair value
Non-vested restricted stock units - beginning of period289 $55.92 1,501 $56.50 
     Granted122 49.04 1,180 47.88 
     Vested(66)48.89 (523)56.38 
     Forfeited— — (20)56.58 
Non-vested restricted stock units - end of period345 $54.84 2,138 $51.77 
The following table provides an activity summary of the Company's cash-settled restricted stock units for the three months ended March 31, 2021:
Cash-Settled Service
Restricted Stock Units
Number of
restricted stock units
Non-vested restricted stock units - beginning of period471 
     Granted— 
     Vested(213)
     Forfeited(9)
Non-vested restricted stock units - end of period248 

The following table provides additional information related to share-based compensation:
Three months ended March 31,20212020
Share-based compensation expense(1)
$12,339 $13,132 
Tax benefits associated with share-based compensation expense
$1,771 $1,889 
Liability for cash-settled restricted stock units(2)
$4,626 $5,711 
Fair value of restricted stock units vested(3)
$39,981 $45,565 
Unrecognized share-based compensation expense$122,163 $111,909 
Expected weighted average period associated with the recognition of unrecognized share-based compensation expense3.0 years2.8 years
(1) Related to share-settled restricted stock units and cash-settled restricted stock units.
(2) Included in other liabilities in the consolidated balance sheets.
(3) Fair value is based on the closing price of the Company's common shares on the vest date.