Income Taxes (Details 4) $ in Thousands	Dec. 31, 2023 USD ($)
United States federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards	$ 167
Tax credit carryforward	42,905	[1]
California State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards	28,437
Tax credit carryforward	33,542
States other than California [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards	762
Tax credit carryforward	11,065
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards	6,719
Tax credit carryforward	$ 42,002

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