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Acquisitions | 3 Months Ended
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Mar. 31, 2019
Business Combinations [Abstract] |
Acquisitions | Acquisitions 2018 Acquisitions During the first quarter of 2018, we completed one acquisition in the land segment. The financial position, results of operations and cash flows of the 2018 acquisition has been included in our consolidated financial statements since its date and did not have a material impact on our consolidated revenue and net income for the three months ended March 31, 2018.

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- Definition The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -URI http://asc.fasb.org/topic&trid=2303972 + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration