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Accrued Insurance Claims (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Payables and Accruals [Abstract] |  |
Percent of liabilities | 27.10% | 33.40%
Favorable adjustment in self-insurance reserves | $ 14.0 | $ 2.1

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- Definition Workers Compensation Percent Of Liabilities + References No definition available. + Details
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- Definition The increase (decrease) during the period in the carrying amount of accrued known and estimated losses incurred for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's' compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
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- References No definition available. + Details
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