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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Stock-based Compensation Expense | The following table details the components of stock-based compensation expense recognized in net earnings in each of the past three years:
|  | Year Ended December 31,
(in thousands) |  | 2021 |  | 2020 |  | 2019
Total stock-based compensation expense |  | $ | 55,153 |  |  | $ | 17,725 |  |  | $ | 23,587 |
Schedule of Shares and Units of Restricted Common Stock | A summary of restricted stock and RSU activity for the year ended December 31, 2021 follows:
(in thousands, except per share amounts) |  | Number of Shares/Units |  | Weighted Average Grant Date Fair Value
Outstanding at beginning of year — unvested |  | 3,540 |  |  | $ | 8.81 |
Granted |  | 2,547 |  |  | 29.30 |
Canceled |  | (462) |  |  | 18.17 |
Vested |  | (1,645) |  |  | 11.68 |
Outstanding at end of year — unvested |  | 3,980 |  |  | $ | 19.72 |
Schedule of Stock Option Activity | Stock option activity for the year ended December 31, 2021 was as follows:
|  | Year Ended December 31, 2021
(in thousands, except per share amounts) |  | Number of Shares |  | Weighted Average Exercise |  | Weighted Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value (in thousands)
Stock option activity: |  |  |  |  |  |  |  |
Outstanding at beginning of year |  | 420 |  |  | $ | 13.26 |  |  | 5.7 |  | $ | — |
Granted |  | — |  |  | — |  |  | — |  |  | — |
Exercised |  | — |  |  | — |  |  | — |  |  | — |
Forfeited and expired |  | — |  |  | — |  |  | — |  |  | — |
Outstanding at end of year |  | 420 |  |  | $ | 13.26 |  |  | 4.7 |  | $ | 3,479 |

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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 Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(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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