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Benefit Plans - Additional Information (Detail) $ in Millions | 9 Months Ended
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Sep. 30, 2019 USD ($)
Compensation And Retirement Disclosure [Abstract] |
Minimum required pension plan contribution | $ 4.8
Available credit balance | 52.5
Expected voluntary contribution for the year 2019 | $ 3.0

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- References No definition available. + Details
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 + Details
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- Definition Amount of voluntary contributions received and expected to be received by defined benefit plan from employer in current fiscal year. + References No definition available. + Details
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