ACQUISITIONS AND DISPOSITIONS - Acquisition of Sacred Wind Enterprises (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 07, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Cash transferred, net of cash acquired and other		$ (1,314)	$ 18,044	$ 340,152
Revenue		762,216	725,745	602,707
Pre-tax income (loss)		27,539	8,056	22,687
Transaction-related charges		$ 551	4,798	$ 10,221
Minimum
Business Acquisition [Line Items]
Useful life		3 years
Minimum | Trade name licenses
Business Acquisition [Line Items]
Intangible assets useful lives		6 years
Maximum
Business Acquisition [Line Items]
Useful life		39 years
Maximum | Trade name licenses
Business Acquisition [Line Items]
Intangible assets useful lives		15 years
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
Business combination equity interest	6.00%
Earn-out consideration		7,900
Deferred revenue from long term customer contracts	$ 6,500
Revenue			3,300
Pre-tax income (loss)			200
Transaction-related charges			$ 800
Change in amount of contingent consideration		$ 4,200
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