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Retirement Plan | 12 Months Ended
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Dec. 31, 2022
Retirement Benefits [Abstract] |
Retirement Plan | Note 13. Retirement Plan We maintain a defined contribution plan covering shoreside employees. Effective January 1, 2016, we commenced annual, non-elective contributions to the plan on behalf of all eligible participants equal to 3% of participants' eligible earnings. Additional annual contributions to the plan are discretionary and are based on fixed percentages of participants' salaries and years of service, not to exceed certain maximums. Contribution expenses were $19.6 million, $17.9 million and $18.4 million for the years ended December 31, 2022, 2021 and 2020, respectively.

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