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Purchase of Ownership Interest from Joint Venture - Additional Information (Detail) - Homans Associates II LLC [Member] $ in Thousands | 9 Months Ended
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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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- Details
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