CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (826,322)	$ (919,488)	$ (532,607)
Other comprehensive income (loss), net of taxes:
Change in foreign currency translation adjustment	(4,556)	259	583
Change in unrealized gains (losses) on short-term investments	0	969	(1,023)
Change in unrealized gains on derivative instruments	289	939	0
Other comprehensive income (loss)	(4,267)	2,167	(440)
Comprehensive loss	(830,589)	(917,321)	(533,047)
Net loss attributable to noncontrolling interest and redeemable noncontrolling interests	(4,311)	(1,296)	0
Foreign currency translation attributable to noncontrolling interest and redeemable noncontrolling interests	(949)	560	0
Comprehensive loss attributable to noncontrolling interest and redeemable noncontrolling interests	(5,260)	(736)	0
Comprehensive loss attributable to Unity Software Inc.	$ (825,329)	$ (916,585)	$ (533,047)