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Investments in Non-Controlled Entities Investments in Non-Controlled Entities (Tables)
 12 Months Ended
Dec. 31, 2013
Equity Method Investments and Joint Ventures [Abstract]  
Equity Method Investments [Table Text Block]
A summary of our investments in non-controlled entities follows (in thousands):
 
 
Texas Frontera
 
Osage
 
Double Eagle
 
BridgeTex
 
Consolidated
Investment at December 31, 2012
 
$
15,728

 
$
18,888

 
$
40,840

 
$
31,900

 
$
107,356

Additional investment
 
—

 
—

 
35,500

 
214,995

 
250,495

Earnings (losses) of non-controlled entities:
 
 
 
 
 
 
 
 
 
 
Proportionate share of earnings (losses)
 
2,494

 
4,383

 
82

 
(20
)
 
6,939

Amortization of excess investment
 
—

 
(664
)
 
—

 
—

 
(664
)
Earnings (losses) of non-controlled entities
 
2,494

 
3,719

 
82

 
(20
)
 
6,275

Less:
 
 
 
 
 
 
 
 
 
 
Distributions of earnings from investments in non-controlled entities
 
2,494

 
—

 
—

 
—

 
2,494

Distributions in excess of earnings of non-controlled entities
 
780

 
—

 
—

 
—

 
780

Investment at December 31, 2013
 
$
14,948

 
$
22,607

 
$
76,422

 
$
246,875

 
$
360,852