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Related Party Transactions - Current Receivables and Payables to Affiliates (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Current receivables from affiliates: |  |
Receivables from affiliates | $ 581 | $ 792
Current payables to affiliates: |  |
Payable to affiliates | 801 | 567
Other - Trade Items |  |
Current receivables from affiliates: |  |
Receivables from affiliates | 565 | 543
Current payables to affiliates: |  |
Payable to affiliates | 801 | 567
Valhi | Income Taxes |  |
Current receivables from affiliates: |  |
Receivables from affiliates | $ 16 | $ 249

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