Annual report pursuant to Section 13 and 15(d)

Segment Reporting (Details)

v3.22.4
Segment Reporting (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
segment
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Segment Reporting Information [Line Items]      
Number of reportable segments | segment 2    
Operating revenues $ 1,973,403 $ 1,662,427 $ 1,269,573
Amortization 15,988 14,328 13,489
Income (loss) from continuing operations 265,976 159,301 73,924
Purchases of property and equipment 40,729 39,109 $ 20,268
Total Assets 1,208,076 1,117,823  
One Customer | Customer Concentration Risk | Revenue from Contract with Customer Benchmark      
Segment Reporting Information [Line Items]      
Concentration risk percentage     10.00%
Operating revenues     $ 138,669
Continuing Operations      
Segment Reporting Information [Line Items]      
Operating revenues 1,973,403 1,662,484 1,269,673
Depreciation 31,398 25,224 23,637
Amortization 15,988 14,328 13,488
Income (loss) from continuing operations 265,976 159,301 73,924
Purchases of property and equipment 40,729 39,109 20,268
Total Assets 1,208,076 1,117,823  
Expedited Freight      
Segment Reporting Information [Line Items]      
Operating revenues 1,553,890 1,374,270 1,072,301
Expedited Freight | Network      
Segment Reporting Information [Line Items]      
Operating revenues 947,817 805,015 599,097
Expedited Freight | Truckload business      
Segment Reporting Information [Line Items]      
Operating revenues 221,979 223,026 194,058
Expedited Freight | Final Mile      
Segment Reporting Information [Line Items]      
Operating revenues 293,769 275,201 224,475
Expedited Freight | Other      
Segment Reporting Information [Line Items]      
Operating revenues 90,325 71,028 54,671
Operating Segments | Expedited Freight      
Segment Reporting Information [Line Items]      
Operating revenues 1,553,705 1,373,313 1,070,106
Depreciation 24,656 21,623 19,824
Amortization 7,236 7,219 7,203
Income (loss) from continuing operations 210,968 139,321 71,266
Purchases of property and equipment 39,459 36,364 19,820
Operating Segments | Expedited Freight | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 683,386 777,987  
Operating Segments | Intermodal      
Segment Reporting Information [Line Items]      
Operating revenues 419,698 289,171 199,567
Depreciation 6,641 3,538 3,693
Amortization 8,752 7,109 6,285
Income (loss) from continuing operations 56,874 30,117 16,391
Purchases of property and equipment 1,270 2,745 448
Operating Segments | Intermodal | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 322,001 249,467  
Corporate      
Segment Reporting Information [Line Items]      
Operating revenues 0 0 0
Depreciation 101 63 120
Amortization 0 0 0
Income (loss) from continuing operations (1,866) (10,137) (13,733)
Purchases of property and equipment 0 0 0
Corporate | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 202,756 90,588  
Eliminations      
Segment Reporting Information [Line Items]      
Operating revenues (205) (1,057) (2,331)
Depreciation 0 0 0
Amortization 0 0 0
Income (loss) from continuing operations 0 0 0
Purchases of property and equipment 0 0 0
Eliminations | Continuing Operations      
Segment Reporting Information [Line Items]      
Operating revenues 0 (57) (100)
Total Assets (67) (219)  
Eliminations | Discontinued Operations      
Segment Reporting Information [Line Items]      
Operating revenues 0 57 100
Eliminations | Expedited Freight      
Segment Reporting Information [Line Items]      
Operating revenues (185) (957) (2,195)
Eliminations | Intermodal      
Segment Reporting Information [Line Items]      
Operating revenues $ (20) $ (43) $ (36)