Consolidation And Basis Of Presentation [Line Items]

No definition available.

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- Definition

Maximum percentage of cost method investments.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

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- Definition

Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64828382&loc=d3e15138-107781

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Basis of Presentation and Consolidation - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		7 Months Ended	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2016	Dec. 31, 2017
Consolidation And Basis Of Presentation [Line Items]
Maximum percentage of cost method investments				20.00%
Unfavorable Regulatory Action
Consolidation And Basis Of Presentation [Line Items]
Loss contingency incurred (reversed)			$ (22,042)			$ 22,042
Loss from Catastrophes \| Cost of Goods Sold
Consolidation And Basis Of Presentation [Line Items]
Loss contingency incurred (reversed)	$ 325	$ 1,974		$ 1,539	$ 8,772		$ 12,569
Insurance recoveries	$ 2,987	$ 5,500		$ 6,796	$ 5,500		$ 7,000
Minimum
Consolidation And Basis Of Presentation [Line Items]
Minimum percentage of investment consolidated				50.00%
Equity investments ownership percentage	20.00%			20.00%
Maximum
Consolidation And Basis Of Presentation [Line Items]
Equity investments ownership percentage	50.00%			50.00%