Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of beginning and ending balances of unrecognized tax benefits
Unrecognized tax benefits, at beginning of the year	$ 6,896	$ 4,331	$ 4,765	$ 4,860
Additions for tax positions related to the current year		1,026	247	257
Increase related to prior year positions		1,891
Decrease related to prior year positions		(352)	(337)	(352)
Decrease for lapse of applicable statute of limitations			(344)
Unrecognized tax benefits, at end of the year		6,896	4,331	4,765
Total amount of unrecognized tax benefits, if recognized, would affect the effective tax rate		5,300
Recognition of tax benefits, Current year	$ 4,100
Accrued interest and penalties		1,200	1,000	800
Recognition of tax benefits, Current years		2,200
Recognition of tax benefits, Prior years		352	$ 337	$ 352
Recognition of tax benefits, Prior years		6,100
Recognition of tax benefits, Prior years due to CARES Act		4,000
Deferred taxes due to CARES Act		$ 17,200

This represents deferred taxes recorded during current period due to CARES Act impact.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns due to CARES Act.

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No definition available.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return due to research and development expenses.

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No definition available.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns due to research and development expenses.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of unrecognized tax benefits.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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