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Fair Value of Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2021
Fair Value Disclosures [Abstract] |
Summary of Fair Value Assets Associated with Pension Plan | The following table sets forth assets associated with the pension plan in “Note 16—Retirement and Other Benefits Plans” that are accounted for at fair value by Level within the fair value hierarchy. Fair value as of December 31, 2021 (in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Mutual funds |  | $ | 2,951 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,951 |
Fixed income |  |  | — |  |  |  | 9,813 |  |  |  | — |  |  |  | 9,813 |
Cash and cash equivalents |  |  | 489 |  |  |  | — |  |  |  | — |  |  |  | 489 |
|  | $ | 3,440 |  |  | $ | 9,813 |  |  | $ | — |  |  | $ | 13,253 |
Fair value as of December 31, 2020 (in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Mutual funds |  | $ | 2,847 |  |  | $ | — |  |  | $ | — |  |  |  | 2,847 |
Fixed income |  |  | — |  |  |  | 10,615 |  |  |  | — |  |  |  | 10,615 |
Cash and cash equivalents |  |  | 571 |  |  |  | — |  |  |  | — |  |  |  | 571 |
|  |  | 3,418 |  |  |  | 10,615 |  |  |  | — |  |  |  | 14,033 |

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