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NATURE OF OPERATIONS (Details)
$ in Thousands
1 Months Ended 3 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2020
USD ($)
location
Dec. 31, 2019
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of international locations | location   4  
Proceeds from sale of subsidiary   $ 0 $ 15,056
Gain on sale of subsidiary   $ 0 $ 14,963
TerraVici | Disposed of by Sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Percent of outstanding capital stock transferred to the purchaser 100.00%   100.00%
Proceeds from sale of subsidiary $ 15,100    
Gain on sale of subsidiary $ 15,000