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Employee Benefits (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items] |  |  |
Definedcontributionemployeeautomaticcontributionpercentag | 6.00% |  |
Administrative expenses | $ 0 | $ 0 | $ 0
Contributions, net of forfeitures, made to the defined contribution plan | $ 9,724,000 | 9,091,000 | 7,034,000
Profits sharing, percent of pre-tax profit paid to eligible employees on quarterly basis | 10.00% |  |
Employee profit sharing bonus plan | $ 8,526,000 | 11,593,000 | 7,448,000
Medical claim payments | 9,640,000 | 9,060,000 | 5,898,000
Health saving account payments | $ 3,482,000 | $ 3,476,000 | $ 3,265,000
Effective January 1, 2016 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Employer matching contribution, percent of match | 175.00% |  |
Maximum annual contributions per employee, percent | 6.00% |  |

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- Definition Employee automatic contribution percentage + References No definition available. + Details
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- Definition Amount of administrative expense incurred by defined contribution plan. + References No definition available. + Details
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(4)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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