Related Party Transactions - Current Payables to Affiliates (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Current payables to affiliates: | ||
| Payable to affiliates | $ 220 | $ 659 |
| Other - Trade Items | ||
| Current payables to affiliates: | ||
| Payable to affiliates | 180 | 76 |
| Valhi | Income Taxes | ||
| Current payables to affiliates: | ||
| Payable to affiliates | $ 40 | $ 583 |