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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: 401(k) Plan: The Company has a defined contribution retirement plan that covers its eligible employees (the "Plan"). The Plan is a defined contribution retirement plan covering eligible employees of the Macerich Property Management Company, LLC and participating affiliates. This Plan includes The Macerich Company Common Stock Fund as a new investment alternative under the Plan with 650,000 shares of common stock reserved for issuance under the Plan. In accordance with the Plan, the Company makes matching contributions equal to 100 percent of the first three percent of compensation deferred by a participant and 50 percent of the next two percent of compensation deferred by a participant. During the years ended December 31, 2020, 2019 and 2018, these matching contributions made by the Company were $3,455, $3,346 and $3,422, respectively. Contributions and matching contributions to the Plan by the plan sponsor and/or participating affiliates are recognized as an expense of the Company in the period that they are made. Deferred Compensation Plans: The Company has established deferred compensation plans under which executives and key employees of the Company may elect to defer receiving a portion of their cash compensation otherwise payable in one calendar year until a later year. The Company may, as determined by the Board of Directors in its sole discretion prior to the beginning of the plan year, credit a participant's account with a matching amount equal to a percentage of the participant's deferral. The Company contributed $695, $814 and $813 to the plans during the years ended December 31, 2020, 2019 and 2018, respectively. Contributions are recognized as compensation in the periods they are made.

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