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

Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Litigation (Details)

Commitments and Contingencies - Litigation (Details) $ in Thousands						1 Months Ended	20 Months Ended	59 Months Ended
	Dec. 07, 2017 patent	Nov. 09, 2016	Nov. 30, 2015 claim patent	May 16, 2014 claim	Jan. 28, 2014 patent	Aug. 31, 2016 patent	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) claim	Sep. 30, 2017 USD ($)	May 01, 2015 claim	Dec. 15, 2014 claim
Loss Contingencies [Line Items]
Operating Leases, Future Sublease Income, Remainder of Fiscal Year								$ 3,566
Operating Leases, Future Sublease Income, Due in Two Years								4,036
Operating Leases, Future Sublease Income, Due in Three Years								4,057
Operating Leases, Future Sublease Income, Due in Four Years								782
Operating Leases, Future Sublease Income, Due in Five Years								291
Operating Leases, Future Sublease Income, Due Thereafter								0
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals								12,732
2019								9,365
2017								9,576
2018								9,286
2019								4,511
2020								1,205
Thereafter								$ 0
CrestaTech Technology Corporation v. MaxLinear, Inc. [Member]
Loss Contingencies [Line Items]
Patents allegedly infringed upon			2	3	2
Loss Contingency, Pending Claims, Number \| claim											3
Loss Contingency, Patents Found Not Infringed, Number \| patent	2		2			4
Loss Contingency, Claims Dismissed, Number \| claim								13
CrestaTech Technology Corporation v. MaxLinear, Inc., '585 Patent [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number \| claim										3
Loss Contingency, Patents Found Not Infringed, Number \| patent						2
Loss Contingency, Patents Found Not Infringed, Appealed, Number \| patent						2
Inter Partes Review by US Patent Office [Member]
Loss Contingencies [Line Items]
New claims filed \| claim			4
Inter Partes Review by US Patent Office v. CrestaTech Patents [Member]
Loss Contingencies [Line Items]
Patents allegedly infringed upon \| patent			2
Loss Contingency, Pending Claims, Number \| claim			6
Exar Corporation [Member]
Loss Contingencies [Line Items]
Escrow Deposit								$ 800
Business Combination, Indemnification Assets, Amount as of Acquisition Date									$ 5,000
Business Combination, Indemnification Assets, Range of Outcomes, Value, High									13,600
Business Combination, Indemnification Agreement Term, Sales Transaction		12 months
Business Combination, Indemnification Agreement Term, Intellectual Property		18 months
Indemnification Agreement [Member] \| Exar Corporation [Member]
Loss Contingencies [Line Items]
Business Combination, Indemnification Assets, Range of Outcomes, Value, High									136,000
Representations and Warranties [Member] \| Exar Corporation [Member]
Loss Contingencies [Line Items]
Business Combination, Indemnification Assets, Range of Outcomes, Value, High									34,000
Intellectual Property [Member] \| Exar Corporation [Member]
Loss Contingencies [Line Items]
Business Combination, Indemnification Assets, Range of Outcomes, Value, High									$ 34,000
Purchaser of iML [Member] \| Exar Corporation [Member]
Loss Contingencies [Line Items]
Release of indemnification asset							$ 1,300
Exar Corporation [Member] \| Exar Corporation [Member]
Loss Contingencies [Line Items]
Release of indemnification asset							$ 2,900