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BUSINESS ACQUISITIONS - ECI Narrative (Details) - USD ($) shares in Millions		12 Months Ended
	Nov. 14, 2019	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Net cash consideration		$ 0	$ 0	$ 346,852,000
Term Loan Facility
Business Acquisition [Line Items]
Commitments from lender	$ 400,000,000
Revolving Credit Facility
Business Acquisition [Line Items]
Commitments from lender	100,000,000
ECI
Business Acquisition [Line Items]
Proceeds from sale of real estate assets	$ 33,400,000
Revenue				260,500,000
Net loss				$ 52,900,000
ECI
Business Acquisition [Line Items]
Common stock to be issued (in shares)	32.5
Fair value of Ribbon stock issued	$ 108,600,000	108,550,000
Net cash consideration	322,500,000	346,852,000
Repayment of ECI outstanding debt obligations	183,300,000
Payment to selling shareholders	$ 139,200,000	$ 139,244,000
Weighted average useful life of intangible assets (in years)		12 years 4 months 17 days

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