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Note Receivable (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Sep. 30, 2012
Sep. 30, 2015
Obligation with Joint and Several Liability Arrangement [Line Items]          
Payments to Acquire Other Investments $ 0 $ 2,500   $ 3,000  
Loan interest rate       9.00%  
Impairment charge   $ 2,600      
Notes Receivable, Fair Value Disclosure $ 1,000       $ 1,000
Subordinated Debt [Member]          
Obligation with Joint and Several Liability Arrangement [Line Items]          
Loan interest rate 10.00%        
Notes Receivable [Member]          
Obligation with Joint and Several Liability Arrangement [Line Items]          
Financing Receivable, Term     5 years