Share-based Awards and Cash-based Awards - Summary of Incentive Compensation Expense Under Share-based Payment Arrangements (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
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| Share-based compensation expense | $ 467 | $ 1,019 | $ 921 | $ 2,067 |
| Restricted Stock Units (RSUs) [Member] | ||||
| Share-based compensation expense | 339 | 949 | 676 | 1,927 |
| Restricted Stock [Member] | ||||
| Share-based compensation expense | $ 128 | $ 70 | $ 245 | $ 140 |
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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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