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Goodwill and Other Intangibles - Schedule of Acquired Intangibles (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2018 USD ($)
Acquired Finite Lived Intangible Assets [Line Items] |
Acquired intangibles subject to amortization and not subject to amortization | $ 21,720
Water Rights |
Acquired Finite Lived Intangible Assets [Line Items] |
Acquired intangibles not subject to amortization | 1,100
Customer Relationships |
Acquired Finite Lived Intangible Assets [Line Items] |
Acquired intangibles subject to amortization | $ 20,620
Acquired Finite-lived Intangible Assets, Useful Life | 12 years

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- Definition Finite-lived and indefinite-lived intangible assets acquired. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition. + References No definition available. + Details
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