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Discontinued Operations and Other Dispositions - Additional Information (Detail) - USD ($) shares in Millions			3 Months Ended
	Sep. 18, 2020	Apr. 17, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gain on Sale of Businesses				$ 51,973,000
Outstanding borrowings			$ 645,700,000
Gain (loss) on sale of subsidiary				51,973,000
Revenue			475,770,000	426,989,000
Operating earnings			$ 134,481,000	110,093,000
Mathews Readymix LLC and Western Aggregates LLC [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revenue				1,700,000
Operating earnings				$ 100,000
Oil And Gas Proppants \| Discontinued Operations, Disposed of by Sale
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gain on Sale of Businesses	$ 9,200,000
Smart Sand Member \| Oil And Gas Proppants \| Discontinued Operations, Disposed of by Sale
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Purchase price paid in shares of common stock	2.0
Smart Sand Member \| Oil And Gas Proppants \| Discontinued Operations, Disposed of by Sale \| Other Noncurrent Assets \| Indemnification Agreement
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Purchase price paid in shares of common stock			0.3
Smart Sand Inc \| Discontinued Operations, Disposed of by Sale \| Loan And Security Agreement
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Loan amount provided to the purchaser	$ 5,000,000.0
Escrow deposit	$ 5,000,000.0
Percentage of loan amount outstanding in shares	50.00%
Fixed rate of interest on loan during the one-year period following the closing	6.00%
Interest payment period	one-year
Fixed rate of interest on loan, maturity date	Sep. 18, 2024
Outstanding borrowings			$ 0
Smart Sand Inc \| Discontinued Operations, Disposed of by Sale \| Loan And Security Agreement \| Modified Interest Rate
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Fixed rate of interest on loan after one year	8.00%
Smart Sand Inc \| Discontinued Operations, Disposed of by Sale \| Restricted Cash \| Loan And Security Agreement
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Escrow deposit			$ 5,000,000.0
Teichert Inc \| Western And Mathews
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Purchase price of acquisition		$ 93,500,000
Gain (loss) on sale of subsidiary		$ 52,000,000.0