Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Details)

v3.19.3
Commitments And Contingencies (Details)
$ in Thousands
Oct. 28, 2019
USD ($)
claim
Aug. 02, 2016
claim
Feb. 16, 2016
claim
Sep. 30, 2019
USD ($)
Vessel
Loss Contingencies [Line Items]        
Unrecorded unconditional purchase obligation, due in remainder of fiscal year       $ 11,815
Unrecorded unconditional purchase obligation, due within two years       9,530
Unrecorded unconditional purchase obligation       $ 21,345
Subsequent Event [Member]        
Loss Contingencies [Line Items]        
Unrecorded unconditional purchase obligation $ 300      
Deepwater Horizon Oil Spill Multi District Litigation        
Loss Contingencies [Line Items]        
Claims dismissed | claim   11 11  
BELO/ORM | Subsequent Event [Member]        
Loss Contingencies [Line Items]        
Claims dismissed | claim 327      
Claims filed | claim 2,360      
BELO/NRC | Subsequent Event [Member]        
Loss Contingencies [Line Items]        
Claims dismissed | claim 25      
Claims filed | claim 230      
Foreign-flag Rail Ferries        
Loss Contingencies [Line Items]        
Number of equipment committed to purchase | Vessel       2
Inland River Towboat        
Loss Contingencies [Line Items]        
Number of equipment committed to purchase | Vessel       2
Ocean Services        
Loss Contingencies [Line Items]        
Unrecorded unconditional purchase obligation, due in remainder of fiscal year       $ 383
Unrecorded unconditional purchase obligation, due within two years       6,857
Unrecorded unconditional purchase obligation       7,240
Inland Services        
Loss Contingencies [Line Items]        
Unrecorded unconditional purchase obligation, due in remainder of fiscal year       10,276
Unrecorded unconditional purchase obligation, due within two years       2,673
Unrecorded unconditional purchase obligation       12,949
Other Segment        
Loss Contingencies [Line Items]        
Unrecorded unconditional purchase obligation, due in remainder of fiscal year       1,156
Unrecorded unconditional purchase obligation, due within two years       0
Unrecorded unconditional purchase obligation       $ 1,156