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Employee Benefit Plans | 12 Months Ended
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Dec. 31, 2020
Retirement Benefits [Abstract] |
Employee Benefit Plans | Employee benefit plans The Company has a 401(k) retirement savings plan for substantially all of its U.S. employees which has been established pursuant to applicable provisions of the Internal Revenue Code (IRC). The plan allows for employees to contribute a percentage of their base annual salaries on a tax-deferred basis not to exceed IRC limitations. The Company maintains a 401(k) matching program under which the Company matches 50% of the employee's contribution up to 6% of the employee's salary, subject to certain limitations. The matching contributions are subject to certain eligibility and vesting conditions. For the years ended December 31, 2020, 2019 and 2018, the Company accrued matching contributions totaling approximately $70,180, $64,988 and $67,807, respectively. Prior to 2018, the Company did not provide matching contributions for its 401(k) savings plan. The Company also maintains a voluntary compensation deferral plan, the Deferred Compensation Plan, as well as other legacy deferral plans. The Deferred Compensation Plan is non-qualified and permits certain employees whose annualized base salary equals or exceeds a minimum annual threshold amount as set by the Company to elect to defer all or a portion of their annual bonus payment and up to 50% of their base salary into a deferral account maintained by the Company. Total contributions to this plan in 2020, 2019 and 2018 were $3,637, $1,751 and $3,090, respectively. Deferred amounts are generally paid out in cash at the participant’s election either in the first or second year following retirement or in a specified future period at least three to four years after the deferral election was effective. During 2020, 2019 and 2018 the Company distributed $3,139, $2,730 and $4,652, respectively, to participants from its deferred compensation plans. Participants are credited with their proportional amount of annual earnings from the plans. The assets of these plans are held in rabbi trusts subject to the claims of the Company’s general creditors in the event of its bankruptcy. As of December 31, 2020 and 2019, the total fair value of assets held in these plans' trusts was $43,844 and $39,527, respectively. The assets of these plans are recorded at fair value with changes in fair value recorded in "Other income, net". Any fair value changes to the corresponding liability balance are recorded as compensation expense. See Note 5 for further details.

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