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Equity Compensation Plans (Tables) | 9 Months Ended
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Sep. 30, 2021
Equity Compensation Plans |
Summary of changes in nonvested shares of restricted share rights | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2021
​ | ​ | ​ | ​ | Weighted
​ | ​ | Restricted | ​ | Average
​ | ​ | Stock Shares | ​ | Grant Date
​ |  | and Units |  | Fair Value
Unvested at January 1 | ​ | 532,609 | ​ | $ | 13.15
Granted | ​ | 224,464 | ​ | ​ | 11.38
Vested | ​ | (191,653) | ​ | ​ | 13.95
Forfeited | ​ | (42,111) | ​ | ​ | 14.15
Unvested at September 30 | ​ | 523,309 | ​ | $ | 12.01
​ | ​ | ​ | ​ | ​ | ​

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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