Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Revenues from Contracts with Customers (Details)

v3.20.2
Segment Information - Revenues from Contracts with Customers (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Time charter, bareboat charter and rental income     $ 95,691 $ 112,156
Operating Revenues $ 172,585 $ 197,023 364,881 406,547
Voyage Charters        
Revenues from contracts with customers     27,199 25,729
Contracts of Affreightment        
Revenues from contracts with customers     96,001 105,442
Tariff        
Revenues from contracts with customers     38,475 41,962
Unit Freight        
Revenues from contracts with customers     26,809 32,312
Terminal Operations        
Revenues from contracts with customers     11,141 8,604
Fleeting Operations        
Revenues from contracts with customers     8,844 7,967
Logistics Services        
Revenues from contracts with customers     7,937 8,113
Time and Material Contracts        
Revenues from contracts with customers     37,030 50,586
Retainer Contracts        
Revenues from contracts with customers     5,365 4,802
Product Sales        
Revenues from contracts with customers     3,169 2,887
Other        
Revenues from contracts with customers     7,220 5,987
Ocean Services        
Operating Revenues 86,111 109,681 192,226 218,953
Inland Services        
Operating Revenues 63,513 61,455 124,824 127,057
Witt O'Brien's LLC        
Operating Revenues 21,163 23,745 43,634 56,590
Other Segment        
Operating Revenues 1,798 2,142 4,197 3,947
Operating Segments | Ocean Services        
Time charter, bareboat charter and rental income     89,530 106,381
Operating Revenues 86,111 109,681 192,226 218,953
Operating Segments | Ocean Services | Voyage Charters        
Revenues from contracts with customers     27,199 25,729
Operating Segments | Ocean Services | Contracts of Affreightment        
Revenues from contracts with customers     8,311 10,647
Operating Segments | Ocean Services | Tariff        
Revenues from contracts with customers     38,475 41,962
Operating Segments | Ocean Services | Unit Freight        
Revenues from contracts with customers     26,809 32,312
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     1,902 1,922
Operating Segments | Inland Services        
Time charter, bareboat charter and rental income     5,957 5,299
Operating Revenues 63,513 61,455 124,824 127,057
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     87,690 94,795
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     11,141 8,604
Operating Segments | Inland Services | Fleeting Operations        
Revenues from contracts with customers     8,844 7,967
Operating Segments | Inland Services | Logistics Services        
Revenues from contracts with customers     7,937 8,113
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     3,255 2,279
Operating Segments | Witt O'Brien's LLC        
Time charter, bareboat charter and rental income     0 0
Operating Revenues 21,173 23,753 43,679 56,696
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     37,030 50,586
Operating Segments | Witt O'Brien's LLC | Retainer Contracts        
Revenues from contracts with customers     5,365 4,802
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     1,284 1,308
Operating Segments | Other Segment        
Time charter, bareboat charter and rental income     204 476
Operating Revenues $ 1,798 $ 2,142 4,197 3,947
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     3,169 2,887
Cost of goods sold     2,400 2,400
Operating Segments | Other Segment | Other        
Revenues from contracts with customers     824 584
Corporate And Eliminations        
Time charter, bareboat charter and rental income     0 0
Operating Revenues     (45) (106)
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     $ (45) $ (106)