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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of Restricted Stock Activity | A summary of our restricted stock activity is as follows (shares in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| Restricted Shares |  | Weighted Average Price at Grant |  | Restricted Shares |  | Weighted Average Price at Grant |  | Restricted Shares |  | Weighted Average Price at Grant
Outstanding at beginning of year | 420 |  |  | $ | 11.87 |  |  | 360 |  |  | $ | 12.90 |  |  | 140 |  |  | $ | 16.01 |
Restricted shares granted | 257 |  |  | 9.90 |  |  | 198 |  |  | 10.78 |  |  | 309 |  |  | 12.34 |
Restricted shares vested | (229 | ) |  | 11.54 |  |  | (131 | ) |  | 13.05 |  |  | (84 | ) |  | 15.98 |
Restricted shares canceled | (7 | ) |  | 10.50 |  |  | (7 | ) |  | 11.81 |  |  | (5 | ) |  | 13.82 |
Outstanding at end of year | 441 |  |  | $ | 10.91 |  |  | 420 |  |  | $ | 11.87 |  |  | 360 |  |  | $ | 12.90 |
Compensation cost | The following table summarizes the stock-based compensation expense for restricted stock units (in thousands):
|  | Year Ended December 31,
Line Item |  | 2018 |  | 2017 |  | 2016
Advisory services fee |  | $ | 2,277 |  |  | $ | 916 |  |  | $ | 597 |
Management fees |  | 219 |  |  | 92 |  |  | 71 |
Corporate general and administrative |  | 243 |  |  | 201 |  |  | 227 |
|  | $ | 2,739 |  |  | $ | 1,209 |  |  | $ | 895 |
The following table summarizes the compensation expense for PSUs (in thousands):
|  | Year Ended December 31,
Line Item |  | 2018 |  | 2017 |  | 2016
Advisory services fee |  | $ | 2,443 |  |  | $ | (1,375 | ) |  | $ | 813 |
Summary of PSUs Activity | A summary of our PSU activity is as follows (shares in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| PSUs |  | Weighted Average Price at Grant |  | PSUs |  | Weighted Average Price at Grant |  | PSUs |  | Weighted Average Price at Grant
Outstanding at beginning of year | 381 |  |  | $ | 11.97 |  |  | 417 |  |  | $ | 14.80 |  |  | 155 |  |  | $ | 18.40 |
PSUs granted | 197 |  |  | 13.43 |  |  | 119 |  |  | 10.42 |  |  | 262 |  |  | 12.67 |
PSUs canceled | (262 | ) |  | 12.67 |  |  | (155 | ) |  | 18.40 |  |  | — |  |  | — |
Outstanding at end of year | 316 |  |  | $ | 12.29 |  |  | 381 |  |  | $ | 11.97 |  |  | 417 |  |  | $ | 14.80 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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=109197908&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=109197908&loc=d3e5070-113901 + Details
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