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Related Party Transactions - Current Receivables and Payables to Affiliates (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Current receivables from affiliates: |  |
Receivables from affiliates |  | $ 313
Current payables to affiliates: |  |
Payable to affiliates | $ 691 | 725
Other - Trade Items |  |
Current payables to affiliates: |  |
Payable to affiliates | 682 | 696
Valhi | Income Taxes |  |
Current payables to affiliates: |  |
Payable to affiliates | $ 9 | $ 29

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