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Stock-Based Compensation Plans - Stock Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Stock-based compensation plans |  |
Total Stock Compensation Expense | $ 2,937 | $ 4,629
2021 Stock Incentive Plan |  |
Stock-based compensation plans |  |
Total Stock Compensation Expense | 2,890 | 4,607
Employee Stock Purchase Plan |  |
Stock-based compensation plans |  |
Total Stock Compensation Expense | $ 47 | $ 22

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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