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REVENUE - Schedule of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 41,908	$ 40,531	$ 128,635	$ 119,121
Service revenue
Disaggregation of Revenue [Line Items]
Revenue	39,666	38,150	121,348	111,904
Reimbursable expenses
Disaggregation of Revenue [Line Items]
Revenue	2,171	2,321	7,067	7,081
Non-controlling interests
Disaggregation of Revenue [Line Items]
Revenue	$ 71	$ 60	$ 220	$ 136

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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