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Real Estate and Intangible Assets - Pro-Forma Condensed Consolidated Statements of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Operating Data: |  |  |  |
Total operating revenue | $ 22,012 | $ 22,463 | $ 66,406 | $ 67,222
Total operating expenses | (15,205) | (13,785) | (42,968) | (41,204)
Other expenses | (6,612) | (8,159) | (21,453) | (24,499)
Net income | 195 | 519 | 1,985 | 1,519
Dividends attributable to preferred and senior common stock | (2,256) | (1,286) | (5,050) | (3,818)
Net loss attributable to common stockholders | $ (2,061) | $ (767) | $ (3,065) | $ (2,299)
Share and Per Share Data: |  |  |  |
Basic and diluted loss per share of common stock - pro forma (in dollars per share) | $ (0.09) | $ (0.04) | $ (0.13) | $ (0.11)
Basic and diluted loss per share of common stock - actual (in dollars per share) | $ (0.10) | $ (0.06) | $ (0.15) | $ (0.13)
Weighted average shares outstanding-basic and diluted (in shares) | 23,509,054 | 21,403,808 | 22,915,086 | 20,820,559

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