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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Unvested Restricted Stock Awards The following table sets forth the number of granted restricted stock awards, the weighted-average fair value and total fair value of these awards at the date of grant:
(Number of shares in thousands)Restricted
Awards		Weighted
Average Grant
Date Fair Value
Per Share		Total Grant
Date Fair Value
(in millions)
Granted during the year ended December 31, 20252,137.6 $8.39$17.9 
Granted during the year ended December 31, 20243,385.2 $7.17$24.3 
Granted during the year ended December 31, 2023907.9 $9.59$8.7 

The following table sets forth the number of unvested restricted stock awards and the weighted-average fair value of these awards at the date of grant:

(Thousands, except fair value)Restricted
Awards 		Weighted
Average Fair
Value at Grant
Date
Aggregate
Intrinsic Value(1)
Unvested balance December 31, 20244,005.3 $7.78
Granted2,137.6 $8.39
Forfeited(61.1)$6.42
Vested(839.7)$9.27
Unvested balance, December 31, 20255,242.1 $7.56$36,747 

(1)The aggregate intrinsic value is calculated using the market value of our common stock as of December 31, 2025. The market value as of December 31, 2025 was $7.01 per share, which was the closing price of our common stock reported for transactions effected on the Nasdaq Global Select Market on December 31, 2025, the final trading day of 2025.
Schedule of Unvested Performance-based Stock Units Awards The following table sets forth the number of granted PSUs, the fair value per share and total fair value of these awards at the date of grant:
(Number of shares in thousands)Performance
Awards		Grant Date
Fair Value
Per Share		Total Grant
Date Fair Value
(in millions)
Granted on September 10, 2025624.9 $10.02$6.3 
Granted on February 20, 2025554.1 $12.72$7.0 
Granted on February 21, 2024324.3 $13.93$4.5 
Granted on February 27, 2023271.1 $13.63$3.7 

The following table sets forth the number of unvested PSUs and the weighted-average fair value of these awards at the date of grant:

(Thousands, except fair value)Performance
Awards 		Weighted
Average Fair
Value at Grant
Date
Aggregate
Intrinsic Value(1)
Unvested balance December 31, 2024851.6 $16.84
Granted1,179.1 $11.29
Forfeited(45.6)$13.80
Vested(139.9)$23.92
Unvested balance, December 31, 20251,845.2 $12.12$12,935 

(1)The aggregate intrinsic value is calculated using the market value of our common stock as of December 31, 2025. The market value as of December 31, 2025 was $7.01 per share, which was the closing price of our common stock reported for transactions effected on the Nasdaq Global Select Market on December 31, 2025, the final trading day of 2025.
Schedule of Assumptions used to Value PSUs Granted The following table summarizes the assumptions used to value the PSUs granted during the years ended December 31:
202520242023
Expected term (years)3.03.03.0
Expected volatility57.6 %60.6 %56.8 %
Expected annual dividend0.0 %0.0 %0.0 %
Risk free rate3.8 %4.4 %4.4 %
Schedule of Assumptions used to Value Purchase Rights Granted Under ESPP
The following table summarizes the assumptions used to value the purchase rights granted under the 2018 ESPP during the years ended December 31:

202520242023
Expected term (years)
0.5
0.5
0.5
Expected volatility50.0 %59.0 %58.0 %
Expected annual dividend— %18.7 %12.2 %
Risk free rate3.8 %5.3 %5.4 %