GOVERNMENT SUPPORT AND SPECTRUM MATTERS - Construction (Details) - Network Connectivity for Eligible Communities $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Mobility Fund [Line Items]
Grants awarded	$ 80,197
New grants	34,821
Construction complete	(7,725)
Transferred grants	(6,269)
Grants awarded	$ 101,024