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Significant Accounting Policies - Additional Information (Detail) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 USD ($) Facility State Plant Segment | Mar. 31, 2021 USD ($) | Dec. 31, 2021 USD ($)
Significant Accounting Policies [Line Items] |  |  |
Number of quarries and yards | Facility | 350 |  |
Number of states with aggregates business sales by destination | State | 28 |  |
Reportable business segments | Segment | 2 |  |
Other comprehensive loss, before reclassifications, net of tax | $ 32,900,000 | $ (300,000) |
Restricted cash | 0 |  | $ 500,000
Pension and Postretirement Benefit Plans |  |  |
Significant Accounting Policies [Line Items] |  |  |
Other comprehensive loss, before reclassifications, net of tax | $ 33,300,000 |  |
California |  |  |
Significant Accounting Policies [Line Items] |  |  |
Number of cement plants | Plant | 2 |  |

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599 + Details
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