CONTINGENCIES - Accrual For License Fee Dispute (Details) - License Fee Dispute - Hughes Network Systems - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Total accrual		$ 60,649	$ 67,483
Less: Payments	$ (17,785)	(27,855)
Less: Current portion		10,147	10,191
Total long-term accrual		50,502	57,292
Additional license fees
Loss Contingencies [Line Items]
Total accrual		3,411	3,425
Penalties
Loss Contingencies [Line Items]
Total accrual		3,501	3,516
Interest and interest on penalties
Loss Contingencies [Line Items]
Total accrual		$ 81,592	$ 78,327