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Share-based Compensation and Equity (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Summary of Share-Based Compensation Expense | Share-based compensation expense was as follows:
For the years ended December 31, | 2022 |  | 2021 |  | 2020
Continuing operations |  |  |  |  |
Stock options, net of estimated forfeitures | $ | — |  |  | $ | 468 |  |  | $ | 1,291 |
Restricted stock awards | 8,776 |  |  | 8,427 |  |  | 8,957 |
Total continuing operations | $ | 8,776 |  |  | $ | 8,895 |  |  | $ | 10,248 |
Discontinued operations |  |  |  |  |
Share-based compensation expense for discontinued operations | — |  |  | 1,277 |  |  | 3,050 |
Total continuing and discontinued operations | $ | 8,776 |  |  | $ | 10,172 |  |  | $ | 13,298 |
Summary of Stock Options Activity | The following tables summarize the stock option activity and the assumptions used to record the related share-based compensation expense for the years ended December 31, 2022, 2021 and 2020:
|  | 2022 |  | 2021 |  | 2020
|  | Options | Weighted Average Exercise Price | Aggregate Intrinsic Value |  | Options | Weighted Average Exercise Price | Aggregate Intrinsic Value |  | Options | Weighted Average Exercise Price | Aggregate Intrinsic Value
Outstanding at January 1 |  | 2,163 |  | $ | 9.89 |  | $ | 6,098 |  |  | 3,428 |  | $ | 17.85 |  | $ | 159 |  |  | 5,388 |  | $ | 18.18 |  | $ | 3,396 |
Granted |  | — |  | — |  |  |  | — |  | — |  |  |  | — |  | — |  |
Exercised |  | (1,510) |  | 9.43 |  | 4,080 |  |  | (583) |  | 12.25 |  | 883 |  |  | (860) |  | 17.60 |  | 2,353 |
Forfeited or expired |  | (94) |  | 23.17 |  |  |  | (682) |  | 20.14 |  |  |  | (1,100) |  | 19.66 |  |
Outstanding at December 31 |  | 559 |  | 7.00 |  | 1,461 |  |  | 2,163 |  | 9.89 |  | 6,098 |  |  | 3,428 |  | 17.85 |  | 159 |
Exercisable at December 31 |  | 559 |  | 7.00 |  | 1,461 |  |  | 2,163 |  | 9.89 |  | 6,098 |  |  | 3,292 |  | 17.97 |  | 159 |
Vested and expected to vest |  | 559 |  | 7.00 |  | 1,461 |  |  | 2,163 |  | 9.89 |  | 6,098 |  |  | 3,426 |  | 17.85 |  | 159 |
Summary of Stock Option Plans, By Exercise Price Range |
| Options Outstanding |  | Options Exercisable |  | Assumption Range*
Exercise Prices | Number of Shares | Weighted Average Remaining Contractual Terms (Years) |  | Number of Shares | Weighted Average Remaining Contractual Terms (Years) |  | Risk-Free Interest Rate | Expected Terms in Years | Expected Volatility
Year Ended December 31, 2022 |  |  |  |  |  |  |
$4.87 - $8.79 | 559 |  | 3.64 |  | 559 |  | 3.64 |  | 1.45% - 3.05% | 3.20 - 7.12 | 36.40% - 58.84%
Year Ended December 31, 2021 |  |  |  |  |  |  |
$6.38 - $7.96 | 414 |  | 5.98 |  | 414 |  | 5.98 |  | 2.68% - 3.05% | 5.54 -5.91 | 38.29% - 57.25%
$8.79 - $10.30 | 1,655 |  | 1.53 |  | 1,655 |  | 1.53 |  | 1.45% - 2.34% | 3.20 - 7.12 | 35.20% - 58.84%
$15.27 - $24.33 | 94 |  | 0.44 |  | 94 |  | 0.44 |  | 0.76% - 2.35% | 4.16 - 6.52 | 39.38% - 53.80%
Year Ended December 31, 2020 |  |  |  |  |  |  |
$13.97 - $15.55 | 748 |  | 6.84 |  | 625 |  | 6.58 |  | 1.99% - 3.05% | 3.25 - 5.91 | 38.29% - 64.18%
$16.38 - $17.89 | 2,247 |  | 2.72 |  | 2,235 |  | 2.68 |  | 1.38% - 2.34% | 3.20 - 7.12 | 35.20% - 58.84%
$21.00 | 146 |  | 0.70 |  | 146 |  | 0.70 |  | 1.81% | 4.00 | 57.79%
$22.88 - $31.92 | 287 |  | 0.76 |  | 287 |  | 0.76 |  | 0.73% - 2.86% | 4.00 - 6.52 | 39.03% - 53.80%
* The expected dividend yield is zero for all options in all years.
Summary of Non-Vested Restricted Stock And Restricted Stock Units Activity | The following table summarizes the non-vested restricted stock and restricted stock units activity for the years ended December 31, 2022, 2021 and 2020:
|  | 2022 |  | 2021 |  | 2020
|  | Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value
Non-vested at January 1 |  | 691 |  |  | $ | 14.82 |  |  | 1,000 |  |  | $ | 15.81 |  |  | 1,251 |  |  | $ | 14.69 |
Granted |  | 685 |  |  | 12.15 |  |  | 818 |  |  | 13.98 |  |  | 969 |  |  | 15.80 |
Vested |  | (698) |  |  | 14.05 |  |  | (822) |  |  | 15.01 |  |  | (861) |  |  | 14.11 |
Forfeited |  | (18) |  |  | 12.37 |  |  | (305) |  |  | 15.32 |  |  | (359) |  |  | 15.95 |
Non-vested at December 31 |  | 660 |  |  | 12.92 |  |  | 691 |  |  | 14.82 |  |  | 1,000 |  |  | 15.81 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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