Related party transactions - Additional Information (Detail) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2016 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Related party transactions: | ||||
| Note receivable from affiliate | $ 7,400 | $ 8,000 | ||
| Interest income | 677 | $ 873 | ||
| Unsecured Revolving Demand Promissory | Valhi Inc | ||||
| Related party transactions: | ||||
| Maximum loan amount | $ 25,000 | |||
| Interest rate on loans repayment | 1.00% | |||
| Principal due on demand effective date | Dec. 31, 2027 | |||
| Unsecured Revolving Demand Promissory | Related Party | Valhi Inc | ||||
| Related party transactions: | ||||
| Note receivable from affiliate | 7,400 | |||
| Interest income | $ 200 | $ 200 | ||
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- Definition 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. 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage added to reference rate used to compute variable rate on loan receivable. No definition available.
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- Definition Amount, after allowance for credit loss, of receivable classified as other and noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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