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Note Receivable (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Note receivable $ 8,098 $ 8,098
Philadelphia Note [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Note receivable $ 8,100 $ 8,100
Interest rate   12.85%