BUSINESS COMBINATIONS AND RELATED ACTIVITY - Additional Information2 (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jan. 20, 2022 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Goodwill	$ 679,463	$ 677,665		$ 513,820
Minimum | Measurement Input, Discount Rate | Valuation, Income Approach
Business Acquisition [Line Items]
Contingent consideration liability, measurement input	0.15
Maximum | Measurement Input, Discount Rate | Valuation, Income Approach
Business Acquisition [Line Items]
Contingent consideration liability, measurement input	0.17
Software developed for internal use
Business Acquisition [Line Items]
Amortization period	7 years
Customer Relationships
Business Acquisition [Line Items]
Amortization period	3 years
Trade Names
Business Acquisition [Line Items]
Amortization period	7 years
Aidence
Business Acquisition [Line Items]
Intangible assets acquired			$ 27,700
Liabilities			3,200
Deferred tax liabilities acquired			3,500
Goodwill			22,900
Impairment of intangible assets	$ 3,900
Aidence | Software developed for internal use
Business Acquisition [Line Items]
Intangible assets acquired			21,100
Amortization period	7 years
Aidence | In Process Research and Development
Business Acquisition [Line Items]
Intangible assets acquired			$ 5,500
Aidence | Customer Relationships
Business Acquisition [Line Items]
Amortization period	5 years 4 months 24 days
Aidence | Trade Names
Business Acquisition [Line Items]
Amortization period	7 years