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Property and Equipment - Schedule of Property and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Sep. 30, 2016
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 193,684 $ 181,311
Less accumulated depreciation (45,274) (40,238)
Property and equipment, net 148,410 141,073
Land and Building [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 122,996 121,645
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 30,107 26,715
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 31,969 24,942
Furniture [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 8,612 $ 8,009