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Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
Employee Benefit and Share-based Payment Arrangement, Noncash Expense [Abstract] |
Schedule of Nonvested Share Activity | Non-vested share activity for the years ended December 31, 2021 and 2020, is as follows:
| Number of Shares |  | Weighted-Average Grant-Date Fair Value Per Share
Balance at December 31, 2019 | 2,941,412 |  |  | $ | 7.30 |
Granted | 709,250 |  |  | 7.77 |
Vested | (613,504) |  |  | 8.80 |
Forfeited | (332,429) |  |  | 5.30 |
Balance at December 31, 2020 | 2,704,729 |  |  | 7.27 |
Granted | 899,328 |  |  | 7.85 |
Vested | (1,303,149) |  |  | 7.82 |
Forfeited | (10,264) |  |  | 10.09 |
Balance at December 31, 2021 | 2,290,644 |  |  | $ | 7.17 |
Schedule of Share-based Compensation, Activity | During 2021 and 2020, the Company granted common shares to certain employees and trustees as follows:
| 2021 |  | 2020
Performance Shares(1) |  |  |
Shares issued: |  |  |
Index | 297,636 |  |  | 232,993 |
Peer | 297,632 |  |  | 232,987 |
Grant date fair value per share:(2) |  |  |
Index | $ | 7.13 |  |  | $ | 6.59 |
Peer | $ | 6.23 |  |  | $ | 5.97 |
Non-Vested Common Shares:(3) |  |  |
Shares issued | 304,060 |  |  | 243,270 |
Grant date fair value | $ | 3,080 |  |  | $ | 2,581 |
(1)The shares vest based on the Company's total shareholder return growth after a three-year measurement period relative to an index and a group of Company peers. Dividends will not be paid on these grants until earned. Once the performance criteria are met and the actual number of shares earned is determined, such shares vest immediately. During 2021, all of the 662,044 performance shares issued in 2018 vested. During 2020, 122,779 of the 452,737 performance shares issued in 2017 vested. (2)The fair value of grants was determined at the grant date using a Monte Carlo simulation model. (3)The shares vest ratably over a three-year service period

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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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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, 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 (e) -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 (c)(2) -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 (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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