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GOODWILL AND INTANGIBLE ASSETS - Change In Carrying Amount Of Telecommunications Licenses (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Changes in the carrying amount of the company's telecommunications licenses, by operating segment    
Balance at the beginning of the period $ 113,319  
Balance at the end of the period $ 113,319 $ 113,319
US Telecom    
Telecommunications licenses    
Weighted Average Cost Of Capital Rate 11.50%  
Telecommunications Licenses    
Changes in the carrying amount of the company's telecommunications licenses, by operating segment    
Balance at the beginning of the period $ 113,319 113,698
Dispositions   (379)
Balance at the end of the period 113,319 113,319
Gain of license dispositions   300
Telecommunications Licenses | International Telecom    
Changes in the carrying amount of the company's telecommunications licenses, by operating segment    
Balance at the beginning of the period 34,798 34,798
Balance at the end of the period 34,798 34,798
Telecommunications Licenses | US Telecom    
Changes in the carrying amount of the company's telecommunications licenses, by operating segment    
Balance at the beginning of the period 78,521 78,900
Dispositions   (379)
Balance at the end of the period 78,521 $ 78,521
Aggregate sale price of intangible license $ 14,000