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Purchase of Ownership Interest from Joint Venture - Additional Information (Detail) - Homans Associates II LLC [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($) Location
Business Acquisition [Line Items]
Additional ownership interest acquired	20.00%
Percentage of ownership interest	100.00%
Cash consideration paid to obtain additional ownership | $	$ 32,400
Number of locations in which the company operates | Location	16

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- Definition

The cash outflow associated with the purchase of noncontrolling interest during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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Additional ownership interest acquired.

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No Of Locations From where this enterprise carries out its operations.

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Percentage of ownership interest in subsidiary.

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