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Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2022
Compensation Related Costs [Abstract] |
Long-Term Incentive Compensation Plan Expense | The following table summarizes the outstanding LTIP awards as of December 31, 2022:
| Units Outstanding | Maximum Value | Inception to date earned through December 31, 2022 on outstanding units
2018 grant | 188,500 |  | $ | 18,850,000 |  | $ | 18,850,000 |
2019 grant | 205,000 |  | 20,500,000 |  | 17,164,589 |
2020 grant | 216,000 |  | 21,600,000 |  | 13,943,707 |
2021 grant | 221,750 |  | 22,175,000 |  | 11,426,223 |
2022 grant | 241,000 |  | 24,100,000 |  | 6,232,260 |
The following table summarizes the LTIP expense for each of the three years ended December 31, 2022:
(In thousands) | 2022 |  | 2021 |  | 2020
2015 grant | $ | — |  |  | $ | — |  |  | $ | (168) |
2016 grant | — |  |  | (117) |  |  | 3,176 |
2017 grant | — |  |  | 6,012 |  |  | 2,914 |
2018 grant | 4,299 |  |  | 5,503 |  |  | 2,776 |
2019 grant | 6,904 |  |  | 5,309 |  |  | 2,490 |
2020 grant | 6,653 |  |  | 5,065 |  |  | 2,276 |
2021 grant | 6,574 |  |  | 4,906 |  |  | — |
2022 grant | 6,232 |  |  | — |  |  | — |
Total | $ | 30,662 |  |  | $ | 26,678 |  |  | $ | 13,464 |

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- Definition Tabular disclosure of pension and other postretirement benefit arrangements with individual employees, which are generally based on employment contracts between the entity and one or more selected officers or key employees, and which contain a promise by the employer to pay certain amounts at designated future dates, usually including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period and the carrying amount as of the balance sheet date of the related liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 25 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361 + Details
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