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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation Expense
The following table summarizes stock-based compensation expense recognized for the periods presented:
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2024202320242023
Equity Awards
Restricted stock$6,083 $6,311 $21,522 $30,324 
Stock option awards— — — 1 
Performance stock units8,023 9,709 25,191 39,260 
Total stock-based compensation expense
$14,106 $16,020 $46,713 $69,585 
Schedule of Restricted Stock Activity
The following table provides information about restricted stock activity during the nine months ended September 30, 2024:
Restricted StockWeighted Average Fair Value
Unvested balance as of December 31, 20233,821,231 $8.58 
Granted2,248,692 15.01 
Vested(1,874,301)10.17 
Forfeited(565,008)11.24 
Unvested balance as of September 30, 20243,630,614 12.42 
Summary of Stock Option Activity
The following table provides information about stock option awards outstanding during the nine months ended September 30, 2024:
OptionsWeighted Average Exercise PriceWeighted Average Remaining Term
(in years)		Aggregate Intrinsic Value
(in thousands)
Outstanding as of December 31, 2023681,699 $16.64 
Granted— — 
Exercised(22,666)11.26 $127 
Forfeited— — 
Expired(238,500)18.01 
Outstanding as of September 30, 2024420,533 16.15 3.2$566 
Exercisable as of September 30, 2024420,533 16.15 3.2$566 
Schedule of Variable Performance Stock Units Valuation Assumptions
The following table summarizes the key assumptions and related information used to determine the fair value of PSUs granted during the nine months ended September 30, 2024:
2024 Awards
Number of PSUs granted
731,472
Fair value per share
$24.81
Expected implied stock volatility43.9%
Risk-free interest rate4.3%
Share-based Payment Arrangement, Performance Shares, Outstanding Activity
The following table provides information about PSUs outstanding during the nine months ended September 30, 2024:
AwardsWeighted Average Fair Value
Unvested balance as of December 31, 20235,019,425 $15.18 
Granted731,472 24.81 
Vested(1)
(283,462)20.81 
Forfeited(123,052)19.77 
Unvested balance as of September 30, 20245,344,383 16.54 
(1)     This balance includes vested PSU awards as of September 30, 2024 based on the original number of PSUs granted. Actual PSUs vested is based upon the Company’s absolute annualized TSR calculation and the Company’s TSR relative to the TSR of a peer group of companies at the time of vesting, which may be greater than or less than the original number granted.