Commitments - Additional Information (Detail)		1 Months Ended	12 Months Ended
	Nov. 01, 2008 USD ($)	May 31, 2017	Dec. 31, 2018 USD ($) T	Dec. 31, 2017 USD ($)
Long-term Purchase Commitment [Line Items]
Net book value of property leased			$ 273,619,000	$ 324,186,000
Lease Agreements
Long-term Purchase Commitment [Line Items]
Net book value of property leased			104,179,000
Wet Sand | Agreement Began January 1, 2018
Long-term Purchase Commitment [Line Items]
Purchase commitment amount			$ 4,586,000
Purchase commitment, period			2 years
Minimum quantity to be purchased annually | T			720,000
Minimum quantity to be processed per month | T			10,000
Long-term purchase commitment, estimated shortfall amount per ton one			$ 2
Remaining quantity to be purchased | T			435,000
Long-term purchase commitment, agreement term			process at least 10,000 tons per month on a rolling three-month average.
Long-term purchase commitment, estimated shortfall amount per ton two			$ 7
Unrecovered capital infusion and other receivables			716,000
Net sand processing charges			2,369,000
Eufaula | kaolin | Supplier 2
Long-term Purchase Commitment [Line Items]
Additional purchase commitment, period		3 years
Purchase commitment amount			$ 1,141,000	2,207,000
Eufaula | Minimum | kaolin | Supplier 2
Long-term Purchase Commitment [Line Items]
Purchase obligation percentage of annual requirements			50.00%
McIntyre and Toomsboro | kaolin | Supplier 3
Long-term Purchase Commitment [Line Items]
Purchase obligation percentage of annual requirements			100.00%
Purchase commitment amount			$ 2,161,000	950,000
Marshfield, Wisconsin | Frac sand
Long-term Purchase Commitment [Line Items]
Purchase commitment amount			2,452,000	3,837,000
Future commitment amount			0
Marshfield, Wisconsin | Hydro sized sand
Long-term Purchase Commitment [Line Items]
Purchase commitment amount			1,077,000	$ 0
Future commitment amount			$ 0
Minimum quantity to be purchased annually | T			40,000
McIntyre | Wilkinson County Development Authority
Long-term Purchase Commitment [Line Items]
Agreement entry date	Nov. 01, 2008
Annual administrative fee	$ 50,000
Lease agreement period			through November 1, 2021