Amount of research credits potentially disallowed on income tax return for the applicable tax year..

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Tax Credit [Line Items]
Effective tax rate	17.90%	19.00%
Deferred income taxes	$ 14,317		$ 13,075
Internal Revenue Service (IRS) \| Tax years 2011 through 2015 \| Domestic tax authority
Tax Credit [Line Items]
Disallowed research tax credits being litigated	5,700
Internal Revenue Service (IRS) \| Tax years 2011 through March 2021 \| Domestic tax authority
Tax Credit [Line Items]
Research tax credits	$ 28,200