Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Revenues from Contracts with Customers (Details)

v3.19.3
Segment Information - Revenues from Contracts with Customers (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Time charter, bareboat charter and rental income     $ 164,725 $ 148,098
Operating Revenues $ 200,658 $ 220,257 607,205 621,912
Voyage Charters        
Revenues from contracts with customers     37,722 66,496
Contracts of Affreightment        
Revenues from contracts with customers     167,676 167,235
Tariff        
Revenues from contracts with customers     60,877 53,777
Unit Freight        
Revenues from contracts with customers     46,230 43,384
Terminal Operations        
Revenues from contracts with customers     12,998 16,784
Fleeting Operations        
Revenues from contracts with customers     13,146 13,464
Logistics Services        
Revenues from contracts with customers     11,574 10,506
Time and Material Contracts        
Revenues from contracts with customers     69,977 84,896
Retainer Contracts        
Revenues from contracts with customers     7,392 7,456
Product Sales        
Revenues from contracts with customers     4,104 1,618
Other        
Revenues from contracts with customers     10,784 8,198
Ocean Services        
Operating Revenues 102,661 109,939 321,614 317,478
Inland Services        
Operating Revenues 72,020 78,845 199,077 208,175
Witt O'Brien's LLC        
Operating Revenues 24,342 30,259 80,932 93,960
Other Segment        
Operating Revenues 1,635 1,214 5,582 2,299
Operating Segments | Ocean Services        
Time charter, bareboat charter and rental income     156,062 142,306
Operating Revenues 102,661 109,939 321,614 317,478
Operating Segments | Ocean Services | Voyage Charters        
Revenues from contracts with customers     37,722 66,496
Operating Segments | Ocean Services | Contracts of Affreightment        
Revenues from contracts with customers     17,835 9,101
Operating Segments | Ocean Services | Tariff        
Revenues from contracts with customers     60,877 53,777
Operating Segments | Ocean Services | Unit Freight        
Revenues from contracts with customers     46,230 43,384
Operating Segments | Ocean Services | Terminal Operations        
Revenues from contracts with customers     0 0
Operating Segments | Ocean Services | Fleeting Operations        
Revenues from contracts with customers     0 0
Operating Segments | Ocean Services | Logistics Services        
Revenues from contracts with customers     0 0
Operating Segments | Ocean Services | Time and Material Contracts        
Revenues from contracts with customers     0 0
Operating Segments | Ocean Services | Retainer Contracts        
Revenues from contracts with customers     0 0
Operating Segments | Ocean Services | Product Sales        
Revenues from contracts with customers     0 0
Operating Segments | Ocean Services | Other        
Revenues from contracts with customers     2,888 2,414
Operating Segments | Inland Services        
Time charter, bareboat charter and rental income     7,979 5,536
Operating Revenues 72,020 78,845 199,077 208,175
Operating Segments | Inland Services | Voyage Charters        
Revenues from contracts with customers     0 0
Operating Segments | Inland Services | Contracts of Affreightment        
Revenues from contracts with customers     149,841 158,134
Operating Segments | Inland Services | Tariff        
Revenues from contracts with customers     0 0
Operating Segments | Inland Services | Unit Freight        
Revenues from contracts with customers     0 0
Operating Segments | Inland Services | Terminal Operations        
Revenues from contracts with customers     12,998 16,784
Operating Segments | Inland Services | Fleeting Operations        
Revenues from contracts with customers     13,146 13,464
Operating Segments | Inland Services | Logistics Services        
Revenues from contracts with customers     11,574 10,506
Operating Segments | Inland Services | Time and Material Contracts        
Revenues from contracts with customers     0 0
Operating Segments | Inland Services | Retainer Contracts        
Revenues from contracts with customers     0 0
Operating Segments | Inland Services | Product Sales        
Revenues from contracts with customers     0 0
Operating Segments | Inland Services | Other        
Revenues from contracts with customers     3,539 3,751
Operating Segments | Witt O'Brien's LLC        
Time charter, bareboat charter and rental income     0 0
Operating Revenues 24,345 30,267 81,041 94,007
Operating Segments | Witt O'Brien's LLC | Voyage Charters        
Revenues from contracts with customers     0 0
Operating Segments | Witt O'Brien's LLC | Contracts of Affreightment        
Revenues from contracts with customers     0 0
Operating Segments | Witt O'Brien's LLC | Tariff        
Revenues from contracts with customers     0 0
Operating Segments | Witt O'Brien's LLC | Unit Freight        
Revenues from contracts with customers     0 0
Operating Segments | Witt O'Brien's LLC | Terminal Operations        
Revenues from contracts with customers     0 0
Operating Segments | Witt O'Brien's LLC | Fleeting Operations        
Revenues from contracts with customers     0 0
Operating Segments | Witt O'Brien's LLC | Logistics Services        
Revenues from contracts with customers     0 0
Operating Segments | Witt O'Brien's LLC | Time and Material Contracts        
Revenues from contracts with customers     69,977 84,896
Operating Segments | Witt O'Brien's LLC | Retainer Contracts        
Revenues from contracts with customers     7,392 7,456
Operating Segments | Witt O'Brien's LLC | Product Sales        
Revenues from contracts with customers     0 0
Operating Segments | Witt O'Brien's LLC | Other        
Revenues from contracts with customers     3,672 1,655
Operating Segments | Other Segment        
Time charter, bareboat charter and rental income     684 256
Operating Revenues $ 1,635 $ 1,214 5,582 2,299
Operating Segments | Other Segment | Voyage Charters        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Contracts of Affreightment        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Tariff        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Unit Freight        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Terminal Operations        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Fleeting Operations        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Logistics Services        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Time and Material Contracts        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Retainer Contracts        
Revenues from contracts with customers     0 0
Operating Segments | Other Segment | Product Sales        
Revenues from contracts with customers     4,104 1,618
Cost of goods sold     3,500 1,200
Operating Segments | Other Segment | Other        
Revenues from contracts with customers     794 425
Corporate And Eliminations        
Time charter, bareboat charter and rental income     0 0
Operating Revenues     (109) (47)
Corporate And Eliminations | Voyage Charters        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Contracts of Affreightment        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Tariff        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Unit Freight        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Terminal Operations        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Fleeting Operations        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Logistics Services        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Time and Material Contracts        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Retainer Contracts        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Product Sales        
Revenues from contracts with customers     0 0
Corporate And Eliminations | Other        
Revenues from contracts with customers     $ (109) $ (47)