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EQUITY INVESTMENTS
 9 Months Ended
Sep. 30, 2016
Equity Method Investments and Joint Ventures [Abstract]  
EQUITY INVESTMENTS
6. EQUITY INVESTMENTS
 
The following table presents earnings (losses) from equity investments for the periods indicated (in thousands): 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2016
 
2015
 
2016
 
2015
West Shore Pipe Line Company
$
1,784

 
$
2,033

 
$
5,680

 
$
6,209

Muskegon Pipeline LLC
544

 
(2,761
)
 
1,340

 
(3,345
)
Transport4, LLC
204

 
183

 
577

 
456

South Portland Terminal LLC
369

 
515

 
862

 
1,230

Total earnings (loss) from equity investments
$
2,901

 
$
(30
)
 
$
8,459

 
$
4,550


 
Summarized combined income statement data for our equity method investments are as follows for the periods indicated (amounts represent 100% of investee income statement data in thousands): 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2016
 
2015
 
2016
 
2015
Revenue
$
22,831

 
$
24,440

 
$
65,877

 
$
68,786

Costs and expenses
(10,026
)
 
(16,642
)
 
(30,466
)
 
(43,256
)
Non-operating expenses
(4,142
)
 
(4,033
)
 
(11,425
)
 
(11,690
)
Net income
$
8,663

 
$
3,765

 
$
23,986

 
$
13,840