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Share Based Compensation - Summary of Pre-tax Share-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total pre-tax share-based compensation expense	$ 4,944	$ 3,709
Direct Costs and Expenses
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total pre-tax share-based compensation expense	49
Research and Development
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total pre-tax share-based compensation expense	572	589
Sales, Marketing, General and Administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total pre-tax share-based compensation expense	$ 4,323	$ 3,120

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
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-SubTopic 10
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