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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended
	Aug. 31, 2016	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Note receivable from affiliate		$ 12,200		$ 13,200
Unsecured Revolving Demand Promissory | Valhi Inc
Related Party Transaction [Line Items]
Maximum loan amount	$ 25,000
Interest rate on loans repayment	1.00%
Principal due on demand effective date	Dec. 31, 2024
Note receivable from affiliate		12,200
Interest income including unused commitment fees on our loan		$ 600	$ 400

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Maximum lending capacity under the terms noted per the related party credit facility.

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Loans receivable principal due on demand effective date.

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- Definition

Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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