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Real Estate and Intangible Assets - Pro-Forma Condensed Consolidated Statements of Operations as Properties Acquired (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2016
Operating Data: |  |
Total operating revenue | $ 4,718 | $ 13,286
Net income attributable to the company | $ 212 | $ 594
Share and Per-share Data: |  |
Earnings per share of common stock - basic and diluted (in dollars per share) | $ 0.02 | $ 0.06
Weighted-average common shares outstanding - basic and diluted (in shares) | 10,018,331 | 10,001,466

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