v3.25.3

FAIR VALUE MEASUREMENTS - Schedule of Changes in Venture Investments (Details) - Privately Held Investment - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 21,234	$ 19,450
New investments	13,129	350
Sales of investments	(33,223)	0
Changes in foreign exchange rates	129	106
Changes in fair value:
included in other (loss) income, net	19,480	1,628
included in other comprehensive income (loss)	(535)	(362)
Ending balance	$ 20,214	$ 21,172

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Changes in Foreign Exchange Rates

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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PEGASYSTEMS INC 10-Q