Annual report pursuant to Section 13 and 15(d)

Segment Reporting (Details)

v3.22.0.1
Segment Reporting (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
segment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Segment Reporting Information [Line Items]      
Number of reportable segments | segment 2    
Operating revenues $ 1,662,427 $ 1,269,573 $ 1,215,187
Amortization 14,328 13,489 10,183
Income (loss) from continuing operations 159,301 73,924 112,416
Purchases of property and equipment 39,109 20,268 22,007
Total Assets 1,117,823 1,047,393  
One Customer      
Segment Reporting Information [Line Items]      
Revenue recognized   138,669  
Continuing Operations      
Segment Reporting Information [Line Items]      
Operating revenues 1,662,484 1,269,673 1,215,483
Depreciation 25,224 23,637 26,211
Amortization 14,328 13,488 10,183
Income (loss) from continuing operations 159,301 73,924 112,416
Purchases of property and equipment 39,109 20,268 22,007
Total Assets 1,117,823 973,294  
Expedited Freight      
Segment Reporting Information [Line Items]      
Operating revenues 1,374,270 1,072,301 1,000,934
Expedited Freight | Network      
Segment Reporting Information [Line Items]      
Operating revenues 840,429 625,517 675,312
Expedited Freight | Truckload business      
Segment Reporting Information [Line Items]      
Operating revenues 223,026 194,058 196,855
Expedited Freight | Final Mile      
Segment Reporting Information [Line Items]      
Operating revenues 275,201 224,475 100,555
Expedited Freight | Other      
Segment Reporting Information [Line Items]      
Operating revenues 35,614 28,251 28,212
Operating Segments | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 1,117,823 973,294  
Operating Segments | Expedited Freight      
Segment Reporting Information [Line Items]      
Operating revenues 1,373,313 1,070,106 997,877
Depreciation 21,623 19,824 23,087
Amortization 7,219 7,203 4,335
Income (loss) from continuing operations 139,321 71,266 103,640
Purchases of property and equipment 36,364 19,820 21,290
Operating Segments | Expedited Freight | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 777,987 706,396  
Operating Segments | Intermodal      
Segment Reporting Information [Line Items]      
Operating revenues 289,171 199,567 217,606
Depreciation 3,538 3,693 3,086
Amortization 7,109 6,285 5,848
Income (loss) from continuing operations 30,117 16,391 23,679
Purchases of property and equipment 2,745 448 717
Operating Segments | Intermodal | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 249,467 183,073  
Corporate      
Segment Reporting Information [Line Items]      
Operating revenues 0 0 0
Depreciation 63 120 38
Amortization 0 0 0
Income (loss) from continuing operations (10,137) (13,733) (14,903)
Purchases of property and equipment 0 0 0
Corporate | Continuing Operations      
Segment Reporting Information [Line Items]      
Total Assets 90,588 84,370  
Eliminations      
Segment Reporting Information [Line Items]      
Operating revenues (1,057) (2,331) (3,458)
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 (57) (100) (296)
Total Assets (219) (545)  
Eliminations | Discontinued Operations      
Segment Reporting Information [Line Items]      
Operating revenues 57 100 296
Eliminations | Expedited Freight      
Segment Reporting Information [Line Items]      
Operating revenues (957) (2,195) (3,057)
Eliminations | Intermodal      
Segment Reporting Information [Line Items]      
Operating revenues (43) (36) $ (105)
Corporate and Eliminations      
Segment Reporting Information [Line Items]      
Current assets held for sale 0 21,002  
Noncurrent assets held for sale $ 0 $ 53,097