v3.26.3
Fair Value Measurement - Estimated Fair Values (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Financial Assets:    
Equity method investments 1 [1] $ 119,023 $ 112,042
Equity method investments (Estimated Fair Value) [1] 119,023 112,042
Financial Liabilities:    
Term loan Carrying Value 231,889 1,744,015
Convertible Debt [1],[2] 1,467,377 0
Revolving line of credit 0 626,000
Business Combination, Contingent Consideration, Liability [3] 900 5,203
Deferred loan costs 1,200  
Convertible Debt    
Financial Liabilities:    
Term loan, Fair Value [1],[2] 1,510,140 0
U.S. Xpress | Class A    
Financial Liabilities:    
Business Combination, Contingent Consideration, Liability [3] 159,400 132,287
2025 Term Loan A-1    
Financial Liabilities:    
Term loan Carrying Value [1],[4] 173,412 698,136
Term loan, Fair Value [1],[4] 174,000 700,000
2025 Term Loan A-2    
Financial Liabilities:    
Term loan Carrying Value [1],[5] 0 299,369
Term loan, Fair Value [1],[5] 0 300,000
2025 Revolver    
Financial Liabilities:    
Revolving line of credit 0 626,000
U.S. Xpress Revenue Equipment Installment Notes    
Financial Liabilities:    
Secured Debt [6] 50,178 106,619
Debt Instrument, Fair Value Disclosure 100 200
2021 Prudential Notes    
Financial Liabilities:    
Term loan Carrying Value [1],[7] 3,023 8,121
Term loan, Fair Value [1],[7] 3,023 8,121
Debt Instrument, Fair Value Disclosure $ 200 $ 300
[1] Level 2 inputs used to estimate the fair value.
[2] As of September 30, 2026, the carrying amount of the 2031 Notes was net of $1.2 million in unamortized debt issuance costs and $31.4 million of unamortized debt discount.
[3] The contingent consideration is primarily related to the U.S. Xpress Acquisition.
[4] As of September 30, 2026 and December 31, 2025, the carrying amount of the 2025 Term Loan A-1 was net of $0.6 million and $1.9 million in deferred loan costs, respectively.
[5] As of December 31, 2025, the carrying amount of the 2025 Term Loan A-2 was net of $0.6 million in deferred loan costs.
[6] As of September 30, 2026, the carrying amount of the revenue equipment installment notes included $0.1 million in fair value adjustments. As of December 31, 2025, the carrying amount of the revenue equipment installment notes included $0.2 million in fair value adjustments.
[7] As of September 30, 2026, the carrying amount of the final 2021 Prudential Note included $0.2 million in fair value adjustments. As of December 31, 2025, the carrying amount of the 2021 Prudential Notes included $0.3 million in fair value adjustments.