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Employee Benefits (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined contribution employee automatic contribution, percent |  |  | 6.00% |
Administrative expense |  |  | $ 0 | $ 0
Contributions made to the defined contribution plan | $ 2,242,000 | $ 1,820,000 | $ 6,791,000 | 5,270,000
Profit sharing, percent of pre-tax profit paid to eligible employees on quarterly basis |  |  | 10.00% |
Profit sharing bonus plan expense | 3,000,000 | 1,684,000 | $ 8,691,000 | 4,948,000
Medical claim payments | 2,985,000 | 1,650,000 | 6,843,000 | 4,500,000
Health saving account contributions | $ 890,000 | $ 790,000 | $ 2,663,000 | $ 2,410,000
Effective January 1, 2016 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percent of match |  |  | 175.00% |
Defined contribution employer, maximum match percent |  |  | 6.00% |

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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=120395209&loc=SL114868664-224227 + Details
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