MaxLinear, Inc. Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Schedule of Acquired Finite-Lived Intangible Assets by Major Class (Details)

Goodwill and Intangible Assets - Schedule of Acquired Finite-Lived Intangible Assets by Major Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in Years)	6 years 2 months 12 days
Gross Carrying Amount	$ 470,411	$ 454,930
Accumulated Amortization	(320,471)	(254,864)
Net Carrying Amount	$ 149,940	200,066	$ 187,971
Licensed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in Years)	6 years
Gross Carrying Amount	$ 16,850	4,869
Accumulated Amortization	(2,218)	(2,006)
Net Carrying Amount	$ 14,632	2,863
Licensed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in Years)	7 years
Gross Carrying Amount	$ 308,661	304,061
Accumulated Amortization	(189,244)	(146,252)
Net Carrying Amount	$ 119,417	157,809
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in Years)	6 years 2 months 12 days
Gross Carrying Amount	$ 14,800	14,800
Accumulated Amortization	(11,221)	(8,818)
Net Carrying Amount	$ 3,579	5,982
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in Years)	5 years
Gross Carrying Amount	$ 128,800	128,800
Accumulated Amortization	(116,847)	(96,047)
Net Carrying Amount	11,953	32,753
Non-compete covenants
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	1,100
Accumulated Amortization	0	(1,100)
Net Carrying Amount	$ 0	0
Backlog
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (in Years)	2 years 4 months 24 days
Gross Carrying Amount	$ 1,300	1,300
Accumulated Amortization	(941)	(641)
Net Carrying Amount	$ 359	$ 659