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Business - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Maryland
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Company re-incorporated date	Mar. 24, 2011
OP Unit Holder
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Company's ownership percent (as percent)	100.00%	96.90%
Land Advisers
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Company's ownership percent (as percent)	100.00%

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Date of reincorporation.

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- Definition

Organization consolidation and presentation of financial statements disclosure.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Details

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