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Equity (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Treasury Stock Activity | The following table shows the number of shares withheld for taxes and the associated value of those shares (in thousands). These shares were accounted for as treasury stock when withheld, and then immediately retired.
|  | Year Ended December 31,
|  | 2021 |  | 2020 |  | 2019
Number of shares withheld for taxes |  | 192 |  | 51 |  | 56
Value of shares withheld for taxes |  | $ | 899 |  |  | $ | 64 |  |  | $ | 367 |

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