Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Consolidated net (loss) income	$ (2,271)	$ 8,031	$ (5,879)	$ 27,256
Other comprehensive loss, net of tax:
Foreign currency translation adjustments, net of tax	(2,812)	(1,356)	(7,013)	(3,188)
Net change in unrealized losses on available-for-sale securities, net of tax	(383)	(66)	(3,710)	(446)
Total other comprehensive loss, net of tax	(3,195)	(1,422)	(10,723)	(3,634)
Consolidated comprehensive (loss) income	(5,466)	6,609	(16,602)	23,622
Net loss attributable to non-controlling interest	0	(819)	0	(2,661)
Comprehensive (loss) income attributable to Penumbra, Inc.	$ (5,466)	$ 7,428	$ (16,602)	$ 26,283