v3.26.3
Debt And Financing (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
May 08, 2026
Jul. 08, 2025
Sep. 30, 2026
Sep. 30, 2026
Dec. 31, 2025
Sep. 03, 2021
Debt Instrument [Line Items]              
Long-Term Debt $ 231,889     $ 231,889 $ 231,889 $ 1,118,015  
Less: current portion of long-term debt (51,712)     (51,712) (51,712) (90,222)  
Long-term debt – less current portion 180,177     180,177 180,177 1,027,793  
Revolving line of credit 0     0 0 626,000  
Long-term Debt 231,889     231,889 231,889 1,744,015  
Deferred loan costs 1,200     1,200 1,200    
Letters of Credit Outstanding, Amount 194,500     $ 194,500 194,500 191,100  
Final maturity date   Nov. 15, 2031          
Debt Instrument, Interest Rate, Stated Percentage   1.00%          
Minimum principal payment — frequency 3   semiannually          
Minimum principal payment — commencement date 3   Nov. 15, 2026          
Debt Instrument, Interest Rate During Period       1.42%      
2025 Term Loan A-1              
Debt Instrument [Line Items]              
Long-Term Debt [1],[2] 173,412     $ 173,412 173,412 698,136  
Deferred loan costs $ 600     600 600 1,900  
Line of Credit Facility, Maximum Borrowing Capacity     $ 700,000        
Final maturity date     Jul. 08, 2030        
Program fees on outstanding balances     SOFR        
Minimum principal payment — amount 3 [3]     $ 8,750        
Minimum principal payment — frequency 3 [3]     Quarterly        
Minimum principal payment — commencement date 3 [3]     Sep. 30, 2028        
Debt Instrument, Interest Rate During Period 4.99%            
2025 Term Loan A-1 | Minimum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage [4]     0.93%        
2025 Term Loan A-1 | Maximum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage [4]     1.55%        
2025 Term Loan A-2              
Debt Instrument [Line Items]              
Long-Term Debt [2],[5] $ 0     0 0 299,369  
Deferred loan costs           600  
U.S. Xpress Revenue Equipment Installment Notes              
Debt Instrument [Line Items]              
Secured Debt [2],[6] $ 50,178     $ 50,178 $ 50,178 $ 106,619  
Debt, Weighted Average Interest Rate 587.00%     587.00% 587.00% 5.19%  
Debt Instrument, Collateral Amount $ 45,900     $ 45,900 $ 45,900    
U.S. Xpress Revenue Equipment Installment Notes | Minimum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate During Period 2.87%            
Debt Instrument, Term         48 months    
U.S. Xpress Revenue Equipment Installment Notes | Maximum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate During Period 7.17%            
Debt Instrument, Term         84 months    
2021 Prudential Notes              
Debt Instrument [Line Items]              
Long-Term Debt [2] $ 3,023     3,023 $ 3,023 $ 8,121  
2021 Prudential Notes | Minimum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage             4.05%
Other Debt              
Debt Instrument [Line Items]              
Secured Debt, Other 5,276     5,276 5,276 5,770  
2025 Revolver              
Debt Instrument [Line Items]              
Letters of Credit Outstanding, Amount $ 14,700     14,700 14,700 18,300  
Line of Credit Facility, Maximum Borrowing Capacity [7]     $ 1,500,000        
Final maturity date [7]     Jul. 08, 2030        
Program fees on outstanding balances [7]     SOFR        
Minimum principal payment — amount 3 [7]     $ 0        
Minimum principal payment — frequency 3 [7]     Once        
Minimum principal payment — commencement date 3 [7]     Jul. 08, 2030        
Debt Instrument, Interest Rate During Period 4.95%            
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.15%            
Line of Credit Facility, Commitment Fee Percentage 1.30%            
2025 Revolver | Minimum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage [4],[7]     0.93%        
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage     0.10%        
2025 Revolver | Maximum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage [4],[7]     1.55%        
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage     0.20%        
Line of Credit | 2025 Revolver              
Debt Instrument [Line Items]              
Revolving line of credit [2],[8] $ 0     $ 0 $ 0 $ 626,000  
Loans Payable [Member]              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity     $ 2,500,000        
Loans Payable [Member] | 2021 Prudential Notes              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity             $ 125,000
[1] 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.
[2] Refer to Note 12 for information regarding the fair value of debt.
[3] The Company has prepaid all scheduled quarterly principal payments under the 2025 Term Loan A‑1; accordingly, no additional principal payments are due prior to maturity.
[4] The interest rate margin for the 2025 Term Loan and 2025 Revolver is based on the Company's consolidated leverage ratio. As of September 30, 2026, interest accrued at 4.99% on the 2025 Term Loan A-1 and 4.95% on the 2025 Revolver.
[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] The revenue equipment installment loans were assumed at the close of the U.S. Xpress Acquisition and have a weighted average interest rate of 5.87% and 5.19% as of September 30, 2026 and December 31, 2025, respectively.
[7] The commitment fee for the unused portion of the 2025 Revolver is based on the Company's consolidated leverage ratio, and ranges from 0.1% to 0.2%. As of September 30, 2026, commitment fees on the unused portion of the 2025 Revolver accrued at 0.15% and outstanding letter of credit fees accrued at 1.30%.
[8] The Company also had outstanding letters of credit of $14.7 million and $18.3 million under the 2025 Revolver, primarily related to workers' compensation and self-insurance liabilities for both September 30, 2026 and December 31, 2025, respectively. The Company also had outstanding letters of credit of $194.5 million and $191.1 million under a separate bilateral agreement which do not impact the availability of the 2025 Revolver as of September 30, 2026 and December 31, 2025, respectively.