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Aquisition (narrative) (detail) - USD ($)
Dec. 26, 2015
Oct. 30, 2015
Business Acquisition [Line Items]    
Purchase Price $ 23,784,000  
Gray&Company [Member]    
Business Acquisition [Line Items]    
Purchase Price   $ 23,784,000
Ownership percentage   100.00%
Paid off Liabilites   $ 12,034,000