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Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2020
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Schedule of Nonvested Share Activity | The following table summarizes the restricted stock award, deferred stock units, and performance unit award activity for the years ended December 31, 2020, 2019, and 2018:
|  | Restricted Stock |  | Deferred Stock Units |  | Performance Stock Units |  | Weighted Average Aggregate Grant Date Fair Value
Outstanding as of January 1, 2018 |  | 186,806 |  |  | 26,860 |  |  | 181,341 |  |  | $ | 16.53 |
Granted |  | 62,320 |  |  | 14,914 |  |  | 65,421 |  |  | 27.05 |
Vested |  | (36,876) |  |  | — |  |  | — |  |  | 28.07 |
Adjustment for incentive awards |  | — |  |  | — |  |  | 65,491 |  |  | 26.93 |
Canceled and forfeited |  | (20,425) |  |  | — |  |  | (11,880) |  |  | 16.38 |
Outstanding as of January 1, 2019 |  | 191,825 |  |  | 41,774 |  |  | 300,373 |  |  | $ | 18.61 |
Granted |  | 62,125 |  |  | 12,304 |  |  | 89,092 |  |  | 18.63 |
Vested |  | (90,282) |  |  | — |  |  | — |  |  | 19.61 |
Adjustment for incentive awards |  | — |  |  | — |  |  | (52,180) |  |  | 24.30 |
Canceled and forfeited |  | (12,869) |  |  | — |  |  | (6,137) |  |  | 20.79 |
Outstanding as of December 31, 2019 |  | 150,799 |  |  | 54,078 |  |  | 331,148 |  |  | $ | 18.50 |
Granted |  | 104,789 |  |  | 12,058 |  |  | 105,857 |  |  | 16.72 |
Vested |  | (73,260) |  |  | — |  |  | (163,224) |  |  | 15.59 |
Adjustment for incentive awards |  | — |  |  | — |  |  | (96,364) |  |  | 25.04 |
Canceled and forfeited |  | (10,394) |  |  | — |  |  | (27,395) |  |  | 20.07 |
Outstanding as of December 31, 2020 |  | 171,934 |  |  | 66,136 |  |  | 150,022 |  |  | $ | 18.05 |

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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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- References No definition available. + Details
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