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Financial Instruments - Summary of Financial Instruments Not Carried at Fair Value (Detail) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Noncontrolling interest in subsidiary | $ 16,350 | $ 15,301
Carrying Amount |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Cash, cash equivalents and restricted cash | 98,242 | 100,981
Carrying Amount | CompX |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Noncontrolling interest in subsidiary | 16,350 | 15,301
Fair Value |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Cash, cash equivalents and restricted cash | 98,242 | 100,981
Fair Value | CompX |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Noncontrolling interest in subsidiary | $ 26,790 | $ 18,878

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(22)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(24)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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