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Noncontrolling Interests in Subsidiaries (Tables)
 6 Months Ended
Jun. 30, 2017
Noncontrolling Interest [Abstract]  
Noncontrolling Interests in Subsidiaries [Table Text Block]
oncontrolling interests in the Company’s consolidated subsidiaries were as follows (in thousands):
 
Noncontrolling Interests
 
June 30, 2017
 
December 31, 2016
Inland River Services:
 
 
 
 
 
 
 
Other
3.0
%
–
51.8%
 
$
963

 
$
980

Shipping Services:
 
 
 
 
 
 
 
SEA-Vista
49%
 
118,798

 
106,054

Discontinued Operations
1.8
%
–
50.0%
 
14,673

 
28,190

Other
5.0
%
–
14.6%
 
151

 
152

 
 
 
 
 
$
134,585

 
$
135,376