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Retirement Plans | 12 Months Ended
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Dec. 31, 2021
Retirement Benefits [Abstract] |
Retirement Plans | Retirement Plans Defined Contribution Plans The Company sponsors defined contribution plans, including a 401(k) retirement savings plan (the "401(k) Plan"). Participation in these plans is available to substantially all employees. The Company recognized expenses of $0.8 million, $3.4 million and $9.5 million primarily related to matching contributions under its various defined contribution plans during the years ended December 31, 2021, 2020 and 2019, respectively. Effective January 1, 2022, the Company resumed matching contributions to the Company's 401(k) Plan and Deferred Compensation Plan (defined below) – which were suspended in 2020 in response to the significant decline in industry activity levels due to the COVID-19 pandemic. Deferred Compensation Plan The Company also maintains a nonqualified deferred compensation plan (the "Deferred Compensation Plan") that permits eligible directors and employees to elect to defer the receipt of all or a portion of their directors' fees or salary and annual bonuses. The Deferred Compensation Plan permits the Company to make discretionary contributions to an employee's account. Since inception of the plan, this discretionary contribution provision has been limited to a matching of the employee's contributions on a basis equivalent to matching permitted under the Company's 401(k) Plan but are not subject to the IRS limitations on match-eligible compensation. The vesting of Company contributions to participant accounts is equivalent to the vesting requirements of the Company's 401(k) Plan. The assets of the Deferred Compensation Plan are held in a Rabbi Trust (the "Trust") and, therefore, are available to satisfy the claims of the Company's creditors in the event of bankruptcy or insolvency of the Company. Participants have the ability to direct the plan administrator to invest the assets in their individual accounts, including any discretionary contributions by the Company, in a selection of funds consistent with those in the Company's 401(k) Plan. Distributions from the plan are generally made in cash upon the participants' termination as a director or employee of the Company. As of December 31, 2021, Trust assets and amounts payable to plan participants totaled $23.3 million, which are classified as "Other noncurrent assets" and "Other noncurrent liabilities" in the Company's consolidated balance sheet. The fair value of the investments held by the Trust was based on quoted market prices in active markets (a Level 1 fair value measurement).

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