Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Publisher FASB
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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+ Details

Related Party Transactions - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	Aug. 31, 2016	Mar. 31, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Note receivable from affiliate		$ 29,000,000	$ 27,400,000
Unsecured Revolving Demand Promissory \| Valhi Inc
Related Party Transaction [Line Items]
Maximum loan amount	$ 40,000,000
Interest rate on loans repayment	1.00%
Principal due on demand effective date	Dec. 31, 2018
Note receivable from affiliate		29,000,000
Interest income including unused commitment fees on our loan		$ 300,000