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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Compensation Cost | The following table summarizes the stock-based compensation expense for restricted stock (in thousands):
|  |  | Year Ended December 31,
Line Item |  |  |  |  | 2021 |  | 2020 |  | 2019
Advisory services fee |  |  |  |  | $ | 3,028 |  |  | $ | 2,672 |  |  | $ | 2,468 |
Management fees |  |  |  |  | 56 |  |  | 133 |  |  | 155 |
Corporate general and administrative |  |  |  |  | 111 |  |  | 71 |  |  | 72 |
Corporate general and administrative - independent directors |  |  |  |  | 322 |  |  | 130 |  |  | 208 |
|  |  |  |  | $ | 3,517 |  |  | $ | 3,006 |  |  | $ | 2,903 |
The following table summarizes the compensation expense for PSUs (in thousands):
|  |  | Year Ended December 31,
Line Item |  |  |  |  | 2021 |  | 2020 |  | 2019
Advisory services fee |  |  |  |  | $ | 3,374 |  |  | $ | 2,695 |  |  | 2,439 |
Summary of Restricted Stock Activity | A summary of our restricted stock activity is as follows (shares in thousands):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
| Number of Units |  | Weighted Average Price at Grant |  | Number of Units |  | Weighted Average Price at Grant |  | Number of Units |  | Weighted Average Price at Grant
Outstanding at beginning of year | 536 |  |  | $ | 7.98 |  |  | 497 |  |  | $ | 11.89 |  |  | 441 |  |  | $ | 10.91 |
Restricted shares granted | 764 |  |  | 7.02 |  |  | 359 |  |  | 4.13 |  |  | 261 |  |  | 12.68 |
Restricted shares vested | (317) |  |  | 6.31 |  |  | (310) |  |  | 9.81 |  |  | (198) |  |  | 10.75 |
Restricted shares forfeited | (26) |  |  | 6.94 |  |  | (10) |  |  | 7.25 |  |  | (7) |  |  | 11.59 |
Outstanding at end of year | 957 |  |  | $ | 6.94 |  |  | 536 |  |  | $ | 7.98 |  |  | 497 |  |  | $ | 11.89 |
Summary of PSUs Activity | A summary of our PSU activity is as follows (shares in thousands):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
| Number of Units |  | Weighted Average Price at Grant |  | Number of Units |  | Weighted Average Price at Grant |  | Number of Units |  | Weighted Average Price at Grant
Outstanding at beginning of year | 448 |  |  | $ | 11.71 |  |  | 420 |  |  | $ | 16.91 |  |  | 316 |  |  | $ | 12.29 |
PSUs granted | 446 |  |  | 7.01 |  |  | 225 |  |  | 3.51 |  |  | 223 |  |  | 19.96 |
PSUs canceled | (223) |  |  | 19.96 |  |  | (197) |  |  | 13.43 |  |  | (119) |  |  | 10.42 |
Outstanding at end of year | 671 |  |  | $ | 5.84 |  |  | 448 |  |  | $ | 11.71 |  |  | 420 |  |  | $ | 16.91 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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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- Definition Tabular disclosure of the number and weighted-average grant date fair value for outstanding performance 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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