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Asset Held for Sale and Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2014
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures
Revenue and income before income taxes of the Idaho-based operations for the years ended December 31, 2013 and 2012 were as follows (in thousands):
 
Years Ended December 31,
 
 
 
2013 (a)
 
2012
Revenue
 
$
674

 
$
7,874

Income before income taxes
 
477

 
3,813

(a)
Reflects revenue and income before income taxes of the Idaho-based operations for the period of January 1, 2013 through the completion of the transaction on January 31, 2013.