Stock Based Compensation -Summary of Stock-based Compensation Costs Recognized (Detail) - USD ($) |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
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Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
Total | $ 4,228,324 | $ 2,069,907 | $ 6,374,550 | $ 4,346,206 |
Restricted Stock Units (RSUs) [Member] | ||||
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
Allocated share-based compensation expense | 1,471,826 | 2,028,599 | 3,560,736 | 4,350,419 |
Performance Shares [Member] | ||||
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
Allocated share-based compensation expense | 2,695,847 | 0 | 2,695,847 | (88,348) |
Employee Stock Purchase Plan [Member] | ||||
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
Allocated share-based compensation expense | $ 60,651 | $ 41,308 | $ 117,967 | $ 84,135 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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