v3.26.1
NET INCOME (LOSS) PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator:        
Net income attributable to FTS $ 87,446 $ 29,942 $ 132,391 $ 29,122
Less: Undistributed earnings attributable to convertible preferred stockholders 0 (22,506) 0 (26,064)
Less: Undistributed earnings attributable to convertible preferred stockholders 0 (22,506) 0 (26,064)
Net income attributable to common stockholders, basic and diluted 87,446 7,436 132,391 3,058
Net income attributable to common stockholders, basic and diluted $ 87,446 $ 7,436 $ 132,391 $ 3,058
Denominator:        
Basic weighted average common shares attributable to FTS (in shares) 221,514,237 69,718,087 219,395,921 69,558,368
Add: effect of dilutive securities related to share-based payment awards (in shares) 25,455,712 18,053,806 28,530,400 17,205,202
Diluted weighted average common shares attributable to FTS (in shares) 246,969,949 87,771,893 247,926,321 86,763,570
Net income per common share attributable to FTS, basic (USD per share) $ 0.39 $ 0.11 $ 0.60 $ 0.04
Net income per common share attributable to FTS, diluted (USD per share) $ 0.35 $ 0.08 $ 0.53 $ 0.04
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dilutive impact of share-based payment awards (in shares) 25,455,712 18,053,806 28,530,400 17,205,202
Options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of earnings per share, amount 3,205,942   1,602,971  
Restricted Stock Units Unvested        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of earnings per share, amount   3,110,889   2,950,318
Options        
Denominator:        
Add: effect of dilutive securities related to share-based payment awards (in shares) 21,891,686 16,626,395 23,853,506 15,902,257
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dilutive impact of share-based payment awards (in shares) 21,891,686 16,626,395 23,853,506 15,902,257
Warrant        
Denominator:        
Add: effect of dilutive securities related to share-based payment awards (in shares) 0 1,427,411 0 1,302,945
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dilutive impact of share-based payment awards (in shares) 0 1,427,411 0 1,302,945
Restricted Stock Units Unvested        
Denominator:        
Add: effect of dilutive securities related to share-based payment awards (in shares) 3,564,026 0 4,676,894 0
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dilutive impact of share-based payment awards (in shares) 3,564,026 0 4,676,894 0