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EQUITY INVESTMENTS - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Dec. 20, 2024
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2025
Mar. 31, 2024
Net Investment Income [Line Items]            
Proceeds from sale of equity investment         $ 10,702 $ 0
Gain (loss) on sale of equity investment         $ 3,199 $ 0
Subsidiary Of MBI            
Net Investment Income [Line Items]            
Proceeds from debt     $ 100,000      
Nextlink            
Net Investment Income [Line Items]            
Additional purchase of common units       $ 20,000    
Equity method investment, ownership percentage (in percent)   22.00% 22.00% 22.00% 22.00%  
MBI            
Net Investment Income [Line Items]            
Equity method investment, ownership percentage (in percent)   45.00% 45.00%   45.00% 45.00%
Additional purchase of common units $ 250,000          
Discount rate   12.00%     12.00%  
Equity method investment, difference between carrying amount and underlying equity   $ 361,900 $ 365,700   $ 361,900  
CTI Investment            
Net Investment Income [Line Items]            
Proceeds from sale of equity investment   10,700        
Gain (loss) on sale of equity investment   $ 3,200