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ACQUISITIONS AND DISPOSITIONS - Acquisition of Sacred Wind Enterprises (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Nov. 07, 2022
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Business Acquisition [Line Items]            
Transaction-related charges   $ 45 $ 3,416 $ 496 $ 4,381  
Sacred Wind Enterprises            
Business Acquisition [Line Items]            
Consideration Transferred $ 44,560          
Cash transferred, net of cash acquired and other 16,700          
Cash acquired from acquisition 9,400          
Redeemable non-controlling interest 14,800          
Contingent consideration $ 3,700          
Working capital adjustments received   1,300   1,300    
Business combination equity interest 6.00%          
Current liabilities of deposits received under government grant programs   $ 6,500   $ 6,500    
Transaction-related charges           $ 800
Assumed debt $ 31,639          
Sacred Wind Enterprises | Trade name licenses            
Business Acquisition [Line Items]            
Intangible assets $ 600          
Intangible assets useful lives 5 years          
Sacred Wind Enterprises | Minimum | Telecommunication Equipment            
Business Acquisition [Line Items]            
Discounted rate used for cash flows (as a percent) 7.00%          
Useful life 1 year          
Sacred Wind Enterprises | Maximum | Telecommunication Equipment            
Business Acquisition [Line Items]            
Discounted rate used for cash flows (as a percent) 12.00%          
Useful life 25 years