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Equity Investments (Tables)
 9 Months Ended
Sep. 30, 2015
Equity Method Investments and Joint Ventures [Abstract]  
Equity Investments Table
The following table presents the activity of WES’s equity investments for the nine months ended September 30, 2015:
 
Equity Investments
thousands
Fort 
Union
 
White
Cliffs
 
Rendezvous
 
Mont
Belvieu JV
 
TEG
 
TEP
 
FRP
 
Total
Balance at December 31, 2014
$
25,933

 
$
44,315

 
$
56,336

 
$
121,337

 
$
16,790

 
$
198,793

 
$
170,988

 
$
634,492

Investment earnings (loss), net of amortization
4,831

 
10,663

 
1,591

 
17,256

 
475

 
11,691

 
12,630

 
59,137

Contributions
—

 
6,081

 
—

 
(432
)
 
—

 
1,520

 
1,883

 
9,052

Distributions
(4,606
)
 
(10,227
)
 
(3,047
)
 
(17,924
)
 
(685
)
 
(11,880
)
 
(12,276
)
 
(60,645
)
Distributions in excess of cumulative earnings (1)
—

 
(2,584
)
 
(2,708
)
 
(1,987
)
 
(82
)
 
(4,302
)
 
(746
)
 
(12,409
)
Balance at September 30, 2015
$
26,158

 
$
48,248

 
$
52,172

 
$
118,250

 
$
16,498

 
$
195,822

 
$
172,479

 
$
629,627

                                                                                                                                                                                   
(1) 
Distributions in excess of cumulative earnings, classified as investing cash flows in the consolidated statements of cash flows, is calculated on an individual investment basis.