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DISCONTINUED OPERATIONS - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended
Dec. 31, 2019
Dec. 31, 2020
Jul. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Receivable from sale of Workspace Management $ 1,685 $ 0  
Workspace Management Software Solutions | Discontinued Operations, Disposed of by Sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Cash proceeds $ 121,500    
Receivable from sale of Workspace Management     $ 1,687