BALANCE SHEET COMPONENTS - Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Weighted-average amortization period intangible assets	5 years 6 months
Gross Carrying Amount	$ 48,678	$ 47,588
Accumulated Amortization	(32,192)	(29,533)
Total future amortization expense	16,486
Net Carrying Amount, Total	16,486	18,055
Customer Relationships
Gross Carrying Amount	9,505	9,407
Accumulated Amortization	(7,170)	(6,684)
Total future amortization expense	$ 2,335	2,723
Customer Relationships | Minimum
Amortization Period (Year)	1 year
Customer Relationships | Maximum
Amortization Period (Year)	10 years
Developed Technology Rights
Gross Carrying Amount	$ 34,627	33,635
Accumulated Amortization	(21,463)	(19,647)
Total future amortization expense	$ 13,164	13,988
Developed Technology Rights | Minimum
Amortization Period (Year)	4 years
Developed Technology Rights | Maximum
Amortization Period (Year)	9 years
Tradename and Trademarks
Gross Carrying Amount	$ 1,598	1,598
Accumulated Amortization	(999)	(918)
Total future amortization expense	$ 599	680
Tradename and Trademarks | Minimum
Amortization Period (Year)	2 years
Tradename and Trademarks | Maximum
Amortization Period (Year)	10 years
Patents
Gross Carrying Amount	$ 2,100	2,100
Accumulated Amortization	(1,760)	(1,696)
Total future amortization expense	$ 340	404
Patents | Minimum
Amortization Period (Year)	6 years
Patents | Maximum
Amortization Period (Year)	10 years
Noncompete Agreements
Amortization Period (Year)	3 years
Gross Carrying Amount	$ 848	848
Accumulated Amortization	(800)	(588)
Total future amortization expense	$ 48	$ 260