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Employee Benefit Plan
 12 Months Ended
Dec. 31, 2020
Retirement Benefits [Abstract]  
Employee Benefit Plan Employee Benefit PlanThe Company has a tax-qualified defined contribution plan (the Plan). The Plan provides retirement benefits, including provisions for early retirement and disability benefits, as well as a tax-deferred savings feature. After satisfying certain requirements, participants are vested in employer contributions at the time the contributions are made. All Company contributions are discretionary and are made from available profits. The Company contributed $14,087, $12,923 and $12,362 to the Plan in 2020, 2019 and 2018, respectively.