Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Operating Results, Capital Expenditures And Assets By Reportable Segments (Details)

v3.19.1
Segment Information - Operating Results, Capital Expenditures And Assets By Reportable Segments (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Segment Reporting Information [Line Items]      
Operating Revenues $ 209,524 $ 184,824  
Costs and Expenses:      
Operating 147,111 131,777  
Administrative and general 26,746 25,795  
Depreciation and amortization 17,136 19,609  
Total costs and expenses 190,993 177,181  
Gains on Asset Dispositions 437 7,045  
Operating Income (Loss) 18,968 14,688  
Other Income (Expense):      
Foreign currency gains (losses), net 405 1,690  
Other, net (644) 283  
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax (2,518) (837)  
Income Before Income Tax Expense (Benefit) and Equity in Losses of 50% or Less Owned Companies 17,791 6,114  
Capital Expenditures 5,649 9,542  
Historical cost 1,413,488 1,370,517 $ 1,407,329
Accumulated depreciation (577,136) (510,418) (560,819)
Net property and equipment 836,352 860,099 846,510
Operating Lease Right-of-Use Assets 167,325   0
Investments, at Equity, and Advances to 50% or Less Owned Companies 155,290 170,305 156,886
Inventories 4,914 3,821 4,530
Goodwill 32,720 32,807 32,708
Intangible Assets 23,662 28,072 24,551
Other current and long-term assets, excluding cash and near cash assets 220,107 166,112  
Total Assets 1,621,806 1,612,473 1,471,024
Ocean Services      
Segment Reporting Information [Line Items]      
Operating Revenues 109,272 102,384  
Inland Services      
Segment Reporting Information [Line Items]      
Operating Revenues 65,602 55,921  
Witt O'Brien's LLC      
Segment Reporting Information [Line Items]      
Operating Revenues 32,845 26,403  
Other Segments      
Segment Reporting Information [Line Items]      
Operating Revenues 1,805 116  
Intersegment Eliminations      
Segment Reporting Information [Line Items]      
Operating Revenues (98) (29)  
Intersegment Eliminations | Ocean Services      
Segment Reporting Information [Line Items]      
Operating Revenues 0 0  
Intersegment Eliminations | Inland Services      
Segment Reporting Information [Line Items]      
Operating Revenues 0 0  
Intersegment Eliminations | Witt O'Brien's LLC      
Segment Reporting Information [Line Items]      
Operating Revenues (98) (29)  
Intersegment Eliminations | Other Segments      
Segment Reporting Information [Line Items]      
Operating Revenues 0 0  
Operating Segments | Ocean Services      
Segment Reporting Information [Line Items]      
Operating Revenues 109,272 102,384  
Costs and Expenses:      
Operating 69,932 65,333  
Administrative and general 10,198 10,549  
Depreciation and amortization 10,337 12,645  
Total costs and expenses 90,467 88,527  
Gains on Asset Dispositions 17 1,883  
Operating Income (Loss) 18,822 15,740  
Other Income (Expense):      
Foreign currency gains (losses), net (47) (51)  
Other, net (651) 283  
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax 111 315  
Segment Profit (Loss) 18,235 16,287  
Capital Expenditures 247 7,516  
Historical cost 930,464 901,747  
Accumulated depreciation (352,005) (309,371)  
Net property and equipment 578,459 592,376  
Operating Lease Right-of-Use Assets 125,640    
Investments, at Equity, and Advances to 50% or Less Owned Companies 74,127 53,620  
Inventories 2,042 1,732  
Goodwill 1,852 1,852  
Intangible Assets 8,633 9,961  
Other current and long-term assets, excluding cash and near cash assets 53,070 57,593  
Total Assets 843,823 717,134  
Operating Segments | Inland Services      
Segment Reporting Information [Line Items]      
Operating Revenues 65,602 55,921  
Costs and Expenses:      
Operating 54,245 48,181  
Administrative and general 3,356 3,312  
Depreciation and amortization 5,725 6,234  
Total costs and expenses 63,326 57,727  
Gains on Asset Dispositions 420 5,162  
Operating Income (Loss) 2,696 3,356  
Other Income (Expense):      
Foreign currency gains (losses), net 459 1,703  
Other, net 0 0  
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax (2,472) (2,454)  
Segment Profit (Loss) 683 2,605  
Capital Expenditures 5,237 1,899  
Historical cost 444,609 437,411  
Accumulated depreciation (200,516) (179,152)  
Net property and equipment 244,093 258,259  
Operating Lease Right-of-Use Assets 36,534    
Investments, at Equity, and Advances to 50% or Less Owned Companies 56,238 64,744  
Inventories 2,183 2,039  
Goodwill 2,362 2,449  
Intangible Assets 8,618 10,112  
Other current and long-term assets, excluding cash and near cash assets 62,832 54,531  
Total Assets 412,860 392,134  
Operating Segments | Witt O'Brien's LLC      
Segment Reporting Information [Line Items]      
Operating Revenues 32,943 26,432  
Costs and Expenses:      
Operating 21,772 18,306  
Administrative and general 6,402 5,367  
Depreciation and amortization 206 301  
Total costs and expenses 28,380 23,974  
Gains on Asset Dispositions 0 0  
Operating Income (Loss) 4,563 2,458  
Other Income (Expense):      
Foreign currency gains (losses), net 0 2  
Other, net (3) 0  
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax (67) 135  
Segment Profit (Loss) 4,493 2,595  
Capital Expenditures 20 0  
Historical cost 1,246 1,227  
Accumulated depreciation (1,053) (961)  
Net property and equipment 193 266  
Operating Lease Right-of-Use Assets 987    
Investments, at Equity, and Advances to 50% or Less Owned Companies 419 734  
Inventories 366 50  
Goodwill 28,506 28,506  
Intangible Assets 6,411 7,999  
Other current and long-term assets, excluding cash and near cash assets 91,591 43,563  
Total Assets 128,473 81,118  
Operating Segments | Other Segments      
Segment Reporting Information [Line Items]      
Operating Revenues 1,805 116  
Costs and Expenses:      
Operating 1,253 0  
Administrative and general 839 186  
Depreciation and amortization 489 0  
Total costs and expenses 2,581 186  
Gains on Asset Dispositions 0 0  
Operating Income (Loss) (776) (70)  
Other Income (Expense):      
Foreign currency gains (losses), net 0 0  
Other, net 0 0  
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax (90) 1,167  
Segment Profit (Loss) (866) 1,097  
Capital Expenditures 145 0  
Historical cost 7,037 0  
Accumulated depreciation (979) 0  
Net property and equipment 6,058 0  
Operating Lease Right-of-Use Assets 0    
Investments, at Equity, and Advances to 50% or Less Owned Companies 24,506 51,207  
Inventories 323 0  
Goodwill 0 0  
Intangible Assets 0 0  
Other current and long-term assets, excluding cash and near cash assets 2,383 1,770  
Total Assets 33,270 52,977  
Corporate And Eliminations      
Segment Reporting Information [Line Items]      
Operating Revenues (98) (29)  
Costs and Expenses:      
Operating (91) (43)  
Administrative and general 5,951 6,381  
Depreciation and amortization 379 429  
Total costs and expenses 6,239 6,767  
Gains on Asset Dispositions 0 0  
Operating Income (Loss) (6,337) (6,796)  
Other Income (Expense):      
Foreign currency gains (losses), net (7) 36  
Other, net 10 0  
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax 0 0  
Capital Expenditures 0 127  
Historical cost 30,132 30,132  
Accumulated depreciation (22,583) (20,934)  
Net property and equipment 7,549 9,198  
Operating Lease Right-of-Use Assets 4,164    
Investments, at Equity, and Advances to 50% or Less Owned Companies 0 0  
Inventories   0 0
Goodwill   0 0
Intangible Assets   0 $ 0
Other current and long-term assets, excluding cash and near cash assets 10,231 8,655  
Segment Reconciling Items      
Other Income (Expense):      
Other, net (938) (10,547)  
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax 2,518 837  
Cash and near cash assets $ 181,436 $ 351,257