XML 43 R33.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 15 Months Ended
Aug. 31, 2016
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Dec. 31, 2023
Related Party Transaction [Line Items]          
Other Receivable, after Allowance for Credit Loss, Noncurrent   $ 9,800   $ 9,800 $ 10,600
Interest income   1,224 $ 947    
Unsecured Revolving Demand Promissory | Valhi Inc          
Related Party Transaction [Line Items]          
Maximum loan amount $ 25,000        
Interest rate on loans repayment 1.00%        
Principal due on demand effective date Dec. 31, 2025        
Unsecured Revolving Demand Promissory | Related Party [Member] | Valhi Inc          
Related Party Transaction [Line Items]          
Other Receivable, after Allowance for Credit Loss, Noncurrent   $ 9,800   9,800  
Interest income       $ 300