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

No definition available.

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- Definition

Loans receivable principal due on demand effective date.

+ References

No definition available.

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- Definition

Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
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-Name Accounting Standards Codification
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- Definition

Percentage added to reference rate used to compute variable rate on loan receivable.

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of receivable classified as other and noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
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-Section 45
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Related party transactions - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2016	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Other Receivable, after Allowance for Credit Loss, Noncurrent		$ 7,900		$ 7,900		$ 10,600
Interest income		1,235	$ 1,064	3,754	$ 3,003
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, 2025
Unsecured Revolving Demand Promissory \| Related Party [Member] \| Valhi Inc
Related Party Transaction [Line Items]
Other Receivable, after Allowance for Credit Loss, Noncurrent		$ 7,900		7,900
Interest income				$ 800	$ 900