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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2021
Share-based Payment Arrangement [Abstract] |
Shares Authorized For Distribution | Stock-based compensation awards granted by our Board of Directors for the three and six months ended June 30, 2021 and 2020 were as follows:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30, |  |
| 2021 |  | 2020 |  | 2021 |  | 2020 |  |  |  |
Award type: |  |  |  |  |  |  |  |  |  |  |
Stock options | 2,000 |  |  | 2,000 |  |  | 479,500 |  |  | 300,000 |  |  |  |  |
Deferred share units | 13,861 |  |  | 12,091 |  |  | 25,672 |  |  | 24,643 |  |  |  |  |
Restricted stock units | 1,500 |  |  | 2,602 |  |  | 515,960 |  |  | 311,991 |  |  |  |  |
Share-based Compensation, Stock Options, Activity | Stock option, deferred share unit and restricted stock unit award activity under the Company's Omnibus Equity Incentive Plan for the six months ended June 30, 2021 was as follows: Stock Options
| Number of Shares |  | Weighted- Average Exercise Price
Outstanding unvested as of December 31, 2020 | 906,361 |  |  | $ | 13.01 |
Granted | 479,500 |  |  | 11.49 |
Vested | (1,214,192) |  |  | 11.96 |
Forfeited | (42,349) |  |  | 13.36 |
Outstanding unvested as of June 30, 2021 | 129,320 |  |  | $ | 17.17 |
Share-based Compensation, Deferred Share Unit And Restricted Stock Unit, Activity |
| Number of Shares |  | Weighted- Average Grant Date Fair Value
Outstanding unvested as of December 31, 2020 | 524,488 |  |  | $ | 10.41 |
Granted | 541,632 |  |  | 11.51 |
Vested | (1,046,631) |  |  | 10.96 |
Forfeited | (16,793) |  |  | 10.78 |
Outstanding unvested as of June 30, 2021 | 2,696 |  |  | $ | 13.96 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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