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Retirement and Long-term Incentive Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
Share Based Payments And Retirement Disclosure [Abstract] |
Summary of RSU Activity Excluding Cash Settled RSUs | A summary of activity for our RSU awards (excluding Cash-Settled RSUs) for 2021 and 2020 is as follows:
|  | 2021 |  |  | 2020 |
|  | Number of Shares |  |  | Weighted- Average Grant-Date Fair Value Per Share |  |  | Number of Shares |  |  | Weighted- Average Grant-Date Fair Value Per Share |
RSUs, beginning of period |  |  | 613,044 |  |  | $ | 4.59 |  |  |  | 265,158 |  |  | $ | 8.03 |
Granted |  |  | 547,250 |  |  |  | 4.71 |  |  |  | 470,004 |  |  |  | 3.80 |
Vested |  |  | (285,416 | ) |  |  | 5.19 |  |  |  | (97,194 | ) |  |  | 8.33 |
Forfeited |  |  | (32,320 | ) |  |  | 4.40 |  |  |  | (24,924 | ) |  |  | 12.24 |
RSUs, end of period |  |  | 842,558 |  |  |  | 4.47 |  |  |  | 613,044 |  |  |  | 4.59 |

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- Definition Share-based Payments and Retirement Disclosure [Abstract] + References No definition available. + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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