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Stock-Based Compensation - Allocated Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost |  |
Total stock-based compensation expense | $ 2,458 | $ 3,323
Equity awards |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost |  |
Total stock-based compensation expense | 3,006 | 2,357
Liability awards |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost |  |
Total stock-based compensation expense | $ (548) | $ 966

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of cost expensed and capitalized for award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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