Discontinued Operations - Summary of Financial Results (Details) - USD ($) $ in Thousands		3 Months Ended							12 Months Ended
		Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022		Dec. 31, 2021	Dec. 31, 2020
Operating expenses:
Net loss from discontinued operations, net of tax		$ (382,585)	$ (20,785)	$ (30,902)	$ (33,227)	$ (65,640)	$ (15,069)	$ (9,504)
Net loss attributable to discontinued operations									$ (436,978)		$ (126,896)	$ (96,010)
Xperi Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue									366,730	[1]	486,484	376,101
Operating expenses:
Cost of revenue									85,689	[1]	125,627	77,788
Research and development									158,708	[1]	194,869	161,630
Selling, general and administrative									123,764	[1]	137,745	109,188
Depreciation expense									15,702	[1]	21,777	16,298
Amortization expense									46,166	[1]	105,311	98,209
Litigation expense									921	[1]	6,371	2,815
Goodwill impairment	[1]								354,000
Total operating expenses									784,950	[1]	591,700	465,928
Operating loss									(418,220)	[1]	(105,216)	(89,827)
Interest expense	[1]								(754)
Other income and expense, net									62	[1]	1,870	1,242
Loss before taxes									(418,912)	[1]	(103,346)	(88,585)
Provision for income taxes									18,066	[1]	23,550	7,425
Net loss from discontinued operations, net of tax									(436,978)	[1]	(126,896)	(96,010)
Less: net loss attributable to noncontrolling interest									(2,706)	[1]	(3,456)	(2,966)
Net loss attributable to discontinued operations									$ (434,272)	[1]	$ (123,440)	$ (93,044)

[1] Represents nine months of Xperi Inc.'s operations in 2022, as compared to a full year of Xperi Inc.'s operations in 2021 and 2020.