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Investments - Summary of Trading Investments (Detail) $ in Thousands | Dec. 31, 2018 USD ($)
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Trading Investments |
Adjusted Cost | $ 69,002
Estimated Fair Value | 69,002
Municipal Securities [Member] |
Trading Investments |
Adjusted Cost | 69,002
Estimated Fair Value | $ 69,002

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 + Details
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