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Investment in Kronos Worldwide, Inc. - Selected Financial Information of Kronos Balance Sheet (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Schedule Of Equity Method Investments [Line Items] |  |
Current assets | $ 193,648 | $ 171,164
Property and equipment, net | 29,182 | 28,950
Other noncurrent assets | 2,753 | 5,262
Total assets | 596,152 | 548,150
Current liabilities | 30,597 | 27,507
Accrued pension costs | 3,722 | 6,392
Other noncurrent liabilities | 3,490 | 3,780
Stockholders' equity | 362,470 | 311,877
Total liabilities and equity | 596,152 | 548,150
Kronos | Reportable Legal Entities |  |
Schedule Of Equity Method Investments [Line Items] |  |
Current assets | 1,258,000 | 1,218,300
Property and equipment, net | 503,400 | 524,600
Investment in TiO2 joint venture | 101,900 | 103,300
Other noncurrent assets | 149,500 | 190,500
Total assets | 2,012,800 | 2,036,700
Current liabilities | 288,800 | 260,200
Long-term debt | 449,800 | 486,700
Accrued pension costs | 287,400 | 372,600
Other noncurrent liabilities | 116,600 | 120,700
Stockholders' equity | 870,200 | 796,500
Total liabilities and equity | $ 2,012,800 | $ 2,036,700

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