Desktop Metal, Inc. Quarterly report pursuant to Section 13 or 15(d)

GOODWILL & INTANGIBLE ASSETS - Components (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 266,049	$ 277,259
Accumulated Amortization	87,247	57,429
Total intangible amortization	$ 178,802	219,830
Acquired technology
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (in years)	7 years 9 months 18 days
Gross Carrying Amount	$ 185,669	196,367
Accumulated Amortization	58,039	36,919
Total intangible amortization	$ 127,630	159,448
Trade name
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (in years)	9 years 10 months 24 days
Gross Carrying Amount	$ 12,297	12,459
Accumulated Amortization	3,545	2,374
Total intangible amortization	$ 8,752	10,085
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (in years)	9 years 1 month 6 days
Gross Carrying Amount	$ 67,565	67,915
Accumulated Amortization	25,145	17,663
Total intangible amortization	$ 42,420	50,252
Capitalized software
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (in years)	0 years
Gross Carrying Amount	$ 518	518
Accumulated Amortization	$ 518	473
Total intangible amortization		$ 45