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REVENUE - Additional information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]      
Revenue recognition is included in contract liability $ 4,047 $ 2,981  
Deferred revenue 20,484 20,738 $ 23,404
Shortfall fees 2,697    
Other GDS Service Provider      
Disaggregation of Revenue [Line Items]      
Deferred revenue $ 1,111 $ 1,111