Income Taxes (Details 4) $ in Thousands	Jan. 01, 2022 USD ($)
United States federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards	$ 428
Tax credit carryforward	46,743	[1]
California State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards	27,044
Tax credit carryforward	77,651
States other than California [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards	1,174
Tax credit carryforward	14,361
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards	3,478
Tax credit carryforward	$ 27,814

[1] Certain of Cadence’s foreign tax credits have yet to be realized and as a result do not yet have an expiration period.