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Other Income, Net - Additional Information (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2018 USD ($) Parcel
Disclosure Other Income Net Additional Information Detail [Line Items] |
Number of land parecels | Parcel | 2
Net proceeds | $ 19.5
Pre-tax gain on sale of land | 11.9
Tremont |
Disclosure Other Income Net Additional Information Detail [Line Items] |
Net proceeds | 18.9
NL |
Disclosure Other Income Net Additional Information Detail [Line Items] |
Net proceeds | $ 0.6

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- Definition The cash inflow from the sale of land held for investment; excludes sales of land held as inventory or productive use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition Disclosure Other Income Net Additional Information Detail [Line Items] + References No definition available. + Details
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- Definition Number of land parcels. + References No definition available. + Details
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- Definition Pre tax gain on sale of land. + References No definition available. + Details
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- Details
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- Details
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