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Notes Receivable-Related Party (Details) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended 12 Months Ended 21 Months Ended 39 Months Ended 54 Months Ended
Sep. 30, 2013
Jun. 30, 2015
Dec. 31, 2014
Mar. 31, 2009
Jun. 30, 2012
Dec. 31, 2011
Mar. 31, 2015
Jun. 30, 2014
Jun. 25, 2007
Receivables [Abstract]                  
Notes Receivable, Related Parties, Noncurrent   $ 3,159 $ 3,328         $ 3,581 $ 3,000
Related Party Transaction, Rate       8.00% 6.00%        
Related Party Shares Pledged As Collateral 472,500                
Market value shares pledged as collateral related party -in dollars             $ 17,955    
Interest income related party -in dollars           $ 1,090      
Debt Instrument, Decrease, Forgiveness   204 409            
Interest Receivable   $ 35 $ 156