v3.25.4
Operations and Summary of Significant Accounting Policies - Narrative (Details)
shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
shares
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2025
USD ($)
segment
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2016
USD ($)
Property, Plant and Equipment [Line Items]                  
Number of reportable segments | segment           3      
Cash $ 105,523 $ 103,447       $ 105,523 $ 103,447    
Cash equivalents 473 1,456       473 1,456    
Financed lease assets 78,267 75,168       78,267 75,168    
Finance lease assets, accumulated amortization 42,100 30,805       42,100 30,805    
Capitalized contract cost, accumulated impairment 16,199         16,199      
Impairment of goodwill     $ 14,751     0 1,028,397 $ 0  
Goodwill impairment prior to adjustments       $ 1,092,741 $ 1,092,741        
Goodwill reduction adjustment   79,095              
Goodwill accumulated impairment 1,054,083         1,054,083      
Acquired intangible asset amortization           92,425 85,873 $ 16,039  
Estimated amortization, year one 90,563         90,563      
Estimated amortization, year two 89,102         89,102      
Estimated amortization, year three 85,205         85,205      
Estimated amortization, year four 76,737         76,737      
Estimated amortization, year five 75,425         75,425      
Self insurance reserve 69,549 65,112       69,549 65,112    
Insurance and claims accruals 24,943 23,021       24,943 23,021    
Self insurance reserve, noncurrent 44,606 42,091       44,606 42,091    
Insurance settlements receivable $ 21,147 $ 19,791       $ 21,147 $ 19,791    
Share-based awards, vesting period           3 years      
Employee Stock Option                  
Property, Plant and Equipment [Line Items]                  
Share-based awards, vesting period           3 years      
Truckload Services                  
Property, Plant and Equipment [Line Items]                  
Impairment of goodwill                 $ 25,686
Computer software                  
Property, Plant and Equipment [Line Items]                  
Property and equipment, useful life (in years) 5 years         5 years      
Impairment charges           $ 3,566      
Minimum                  
Property, Plant and Equipment [Line Items]                  
Capitalized computer software, amortization period (in years) 3 years         3 years      
Weighted average useful life           20 years      
Minimum | Buildings and improvements                  
Property, Plant and Equipment [Line Items]                  
Property and equipment, useful life (in years) 30 years         30 years      
Minimum | Equipment                  
Property, Plant and Equipment [Line Items]                  
Property and equipment, useful life (in years) 3 years         3 years      
Maximum                  
Property, Plant and Equipment [Line Items]                  
Capitalized computer software, amortization period (in years) 5 years         5 years      
Weighted average useful life           1 year      
Maximum | Buildings and improvements                  
Property, Plant and Equipment [Line Items]                  
Property and equipment, useful life (in years) 40 years         40 years      
Maximum | Equipment                  
Property, Plant and Equipment [Line Items]                  
Property and equipment, useful life (in years) 10 years         10 years      
Common Class B                  
Property, Plant and Equipment [Line Items]                  
Number of shares held (in shares) | shares 8,760 10,088       8,760 10,088 0  
Variable Interest Entity, Not Primary Beneficiary | Opco                  
Property, Plant and Equipment [Line Items]                  
Tax receivable agreement, percentage of total tax benefit (as percent) 83.50%                
Variable Interest Entity, Not Primary Beneficiary | Opco | Common Class A                  
Property, Plant and Equipment [Line Items]                  
Number of shares held (in shares) | shares 31,089         31,089      
Variable Interest Entity, Not Primary Beneficiary | Opco | Common Class B                  
Property, Plant and Equipment [Line Items]                  
Number of shares held (in shares) | shares 8,760         8,760      
Variable Interest Entity, Not Primary Beneficiary | Opco | Series B preferred shares                  
Property, Plant and Equipment [Line Items]                  
Number of shares held (in shares) | shares 8,760         8,760      
Variable Interest Entity, Not Primary Beneficiary | Opco | Common Stock                  
Property, Plant and Equipment [Line Items]                  
Number of shares held (in shares) | shares 8,760         8,760