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Commitments, Contingencies and Off-Balance Sheet Arrangements - Contingent Liabilities - Additional Information (Detail) - Errors and Omissions [Member] | 12 Months Ended
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Dec. 31, 2017 USD ($)
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Insurance claims, amount retained | $ 5,000,000
Amount of losses in excess of retained amounts | 175,000,000
Maximum [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Actuarial range value | 7,600,000
Minimum [Member] |
Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] |
Actuarial range value | $ 1,700,000

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- Definition Commitments Contingencies And Off Balance Sheet Arrangements [Line Items] + References No definition available. + Details
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- Definition Present value of the accrual for product liability loss contingencies as of the balance sheet date (if the accrual qualifies for discounting). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q1) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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- Definition Amount of insurance benefits, claims, losses and settlement expenses incurred. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-16) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574960-122915 + Details
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- Definition Amount of claims and benefits payable classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-16) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574960-122915 + Details
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