Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Consolidated net (loss) income	$ (3,687)	$ 8,299	$ (3,608)	$ 19,225
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments, net of tax	(3,333)	863	(4,201)	(1,832)
Net change in unrealized losses on available-for-sale securities, net of tax	(853)	(109)	(3,327)	(380)
Total other comprehensive (loss) income, net of tax	(4,186)	754	(7,528)	(2,212)
Consolidated comprehensive (loss) income	(7,873)	9,053	(11,136)	17,013
Net loss attributable to non-controlling interest	0	(932)	0	(1,842)
Comprehensive (loss) income attributable to Penumbra, Inc.	$ (7,873)	$ 9,985	$ (11,136)	$ 18,855