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Real Estate and Intangible Assets - Pro Forma (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Operating Data: |  |  |  |
Total operating revenue |  | $ 21,965 |  | $ 44,349
Total operating expenses |  | (13,768) |  | (27,566)
Other expenses, net |  | (7,157) |  | (14,847)
Net income |  | 1,040 |  | 1,936
Dividends attributable to preferred and senior common stock |  | (1,514) |  | (2,794)
Net loss attributable to common stockholders |  | $ (474) |  | $ (858)
Share and Per Share Data: |  |  |  |
Basic and diluted loss per share of common stock - pro forma (in dollars per share) |  | $ (0.02) |  | $ (0.04)
Basic and diluted loss per share of common stock - actual (in dollars per share) | $ (0.08) | $ (0.03) | $ (0.01) | $ (0.05)
Weighted average shares outstanding-basic and diluted (in shares) | 25,276,824 | 22,684,391 | 25,121,239 | 22,614,838

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