Discontinued Operations - Aggregate Carrying Amounts of the Major Classes of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 120,700	$ 85,600
Total current assets of discontinued operations	277,120
Other long-term assets	949,427
Current liabilities:
Total current liabilities of discontinued operations	119,497
Xperi Inc.
Current assets:
Cash and cash equivalents	120,695
Accounts receivable, net of allowance for credit losses	79,494
Unbilled contracts receivable, net	50,962
Other current assets	25,969
Total current assets of discontinued operations	277,120
Long-term unbilled contracts receivable	3,825
Property and equipment, net	56,038
Operating lease right-of-use assets	61,858
Intangible assets, net	270,934
Goodwill	536,512
Other long-term assets	20,260
Total assets of discontinued operations	1,226,547
Current liabilities:
Accounts payable	7,362
Accrued legal fees	2,210
Accrued liabilities	81,764
Deferred revenue	28,161
Total current liabilities of discontinued operations	119,497
Deferred revenue, less current portion	23,663
Long-term deferred tax liabilities	12,771
Noncurrent operating lease liabilities	49,017
Other long-term liabilities	3,606
Total liabilities of discontinued operations	$ 208,554