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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2020
Stock-Based Compensation [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The following table provides the assumptions used to determine the grant date fair value of the market condition-dependent / TSR goal-based portion of the Company’s performance stock units granted during the three months ended March 31, 2020 using a Monte Carlo simulation:
Expected dividend yield— %
Risk-free interest rate1.56 %
Expected volatility28.57 %
Expected term (in years)2.95
Grant date fair value$24.11  
Schedule of Nonvested Restricted Stock and Performance Stock Unit Activity
The following table summarizes the activity for the Company’s restricted stock units and performance stock units for the three months ended March 31, 2020:
Restricted Stock UnitsPerformance Stock Units
Number of
Units
Weighted Average Grant Date Fair Value (per share)Number of
Units
Weighted Average Grant Date Fair Value (per share)
Nonvested as of December 31, 20191,628,436  $15.83  550,676  $15.41  
Granted1,144,072  $16.65  456,311  $20.38  
Vested(431,755) $15.42  —  $—  
Forfeited(77,848) $16.27  (31,069) $15.41  
Nonvested as of March 31, 20202,262,905  $16.31  975,918  $17.74