Annual report pursuant to Section 13 and 15(d)

Segment Reporting (Details)

v3.19.3.a.u2
Segment Reporting (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Sep. 30, 2018
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Jun. 30, 2019
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Segment Reporting Information [Line Items]                        
Number of principal reporting segments                   3    
Number of Reportable Segments                 5      
External revenues $ 381,504 $ 361,663 $ 345,756 $ 321,471 $ 356,561 $ 331,375 $ 330,343 $ 302,608   $ 1,410,395 $ 1,320,886 $ 1,169,346
Depreciation and amortization                   42,109 42,183 41,055
Depreciation                   30,896 33,045 30,862
Amortization of Intangible Assets                   11,213 9,138 10,193
Share-based Compensation                   11,907 10,549 8,103
Interest expense                   2,711 1,783 1,209
Operating Income (Loss) 32,852 $ 30,689 $ 30,550 $ 24,734 35,047 $ 29,879 $ 32,870 $ 24,235   118,823 122,031 108,757
Total assets 990,878       760,215         990,878 760,215 692,622
Additions to Other Assets, Amount                   28,209 42,293 38,265
Expedited Freight Revenue                   988,757    
Expedited Freight [Member]                        
Segment Reporting Information [Line Items]                        
External revenues                   985,697 926,446 846,706
Revenue from Related Parties                   3,060 4,678 3,701
Depreciation                   22,993 25,453 23,260
Amortization of Intangible Assets                   4,336 3,499 5,171
Share-based Compensation                   8,628 8,457 7,154
Interest expense                   0 (20) 5
Operating Income (Loss)                   101,065 101,440 91,184
Total assets 713,527       550,051         713,527 550,051 506,652
Additions to Other Assets, Amount                   22,179 38,710 36,683
Pool Distribution [Member]                        
Segment Reporting Information [Line Items]                        
External revenues                   207,092 193,690 168,194
Revenue from Related Parties                   297 427 289
Depreciation                   4,884 5,871 5,732
Amortization of Intangible Assets                   1,029 1,029 1,041
Share-based Compensation                   644 453 387
Operating Income (Loss)                   7,275 5,870 6,378
Total assets 115,638       64,306         115,638 64,306 55,970
Additions to Other Assets, Amount                   5,313 2,729 1,068
Intermodal [Member]                        
Segment Reporting Information [Line Items]                        
External revenues                   217,606 200,750 154,446
Revenue from Related Parties                   105 256 238
Depreciation                   3,086 1,719 1,867
Amortization of Intangible Assets                   5,848 4,610 3,981
Share-based Compensation                   1,801 984 562
Interest expense                   142 58 48
Operating Income (Loss)                   23,679 23,266 12,963
Total assets 206,576       167,002         206,576 167,002 149,150
Additions to Other Assets, Amount                   717 854 514
Business Intersegment, Eliminations [Member]                        
Segment Reporting Information [Line Items]                        
Revenue from Related Parties                   (3,462) (5,361) (4,228)
Depreciation                   (67) 2 3
Share-based Compensation                   834 655  
Interest expense                   2,569 1,745 1,156
Operating Income (Loss)                   (13,196) (8,545) (1,768)
Total assets $ (44,863)       $ (21,144)         (44,863) $ (21,144) $ (19,150)
Network revenue [Member]                        
Segment Reporting Information [Line Items]                        
Expedited Freight Revenue                   676,911    
Truckload revenue [Member]                        
Segment Reporting Information [Line Items]                        
Expedited Freight Revenue                   184,663    
Final Mile revenue [Member]                        
Segment Reporting Information [Line Items]                        
Expedited Freight Revenue                   100,555    
Other revenue [Member]                        
Segment Reporting Information [Line Items]                        
Expedited Freight Revenue                   $ 26,628