GOODWILL AND INTANGIBLE ASSETS - Intangible assets, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
INTANGIBLE ASSETS
Intangible assets	$ 189,196		$ 189,196		$ 139,916
Accumulated amortization	(89,281)		(89,281)		(63,650)
Intangible assets, net	99,915		99,915		76,266
Amortization expense	10,019	$ 5,133	25,927	$ 12,780
Impairment of intangible assets				$ 293
Skuad acquisition
INTANGIBLE ASSETS
Goodwil	56,205
Internal use software
INTANGIBLE ASSETS
Intangible assets	162,244		162,244		122,001
Accumulated amortization	(77,150)		(77,150)		(54,804)
Intangible assets, net	85,094		85,094		67,197
Impairment of intangible assets	1,383		1,389
Acquired developed technology
INTANGIBLE ASSETS
Intangible assets	20,269		20,269		17,915
Accumulated amortization	(11,966)		(11,966)		(8,846)
Intangible assets, net	8,303		8,303		$ 9,069
Customer relationships
INTANGIBLE ASSETS
Intangible assets	6,683		6,683
Accumulated amortization	(165)		(165)
Intangible assets, net	$ 6,518		$ 6,518