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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Nov. 30, 2016 | Nov. 14, 2016
Related Party Transaction [Line Items] |  |  |  |  |
Notes receivable from affiliate | $ 18,700 | $ 29,500 |  |  |
Contran | Kronos |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Rent and related ancillary service | 400 | 400 | $ 100 |  |
Contran | Intercorporate Services Agreement Fees |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expense transaction with affiliate | 33,200 | 33,400 | 36,100 |  |
Contran | Combined Information Technology Data Recovery Program | Kronos |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expense transaction with affiliate | 300 | 300 | 200 |  |
Tall Pines and EWI | Insurance Premiums |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expense transaction with affiliate | 26,300 | 22,200 | 14,900 |  |
Tall Pines |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expense transaction with affiliate | 19,500 | 15,600 |  |  |
NLKW Holding, LLC | Valhi | Valhi Credit Facility |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Borrowing under credit facility |  |  |  | $ 50,000 | $ 50,000
Outstanding borrowings | 500 | 500 |  |  |
CompX | Valhi Inc | Unsecured Revolving Promissory Note Receivable |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Maximum loan amount | $ 30,000 |  |  |  |
Interest rate on loans repayment | 1.00% |  |  |  |
Notes receivable from affiliate | $ 18,700 | 29,500 |  |  |
Interest income including unused commitment fees | $ 1,200 | $ 1,500 | $ 2,400 |  |

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- Definition Maximum lending capacity under the terms noted per the related party credit facility. + References No definition available. + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124433192&loc=d3e56071-112765 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(3)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(11)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(3)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-06(3)(a)(3)) -URI http://asc.fasb.org/extlink&oid=120401414&loc=d3e604059-122996 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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