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Minority Investments (Tables)
6 Months Ended
Sep. 30, 2015
Equity Method Investments And Joint Ventures [Abstract]  
Schedule of Net Investment in Tres Amigas LLC

The net investment activity for the six months ended September 30, 2015 is as follows (in thousands):

 

Balance at April 1, 2015

$

1,102

 

     Minority interest in net losses

 

(356

)

Impairment

 

(746

)

Balance at September 30, 2015

$

-