| In millions, except per share items | Mar-31-17 | Dec-31-16 | Sep-30-16 | Jun-30-16 | Mar-31-16 | Dec-31-15 | Sep-30-15 | Jun-30-15 |
| | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Revenue: | | | | | | | | |
| Rental revenue | 31.6 | 31.6 | 30.8 | 30.7 | 30.4 | 30.0 | 29.9 | 29.6 |
| Other revenue | 0.8 | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | 0.6 |
| Total revenue | 32.4 | 32.5 | 31.6 | 31.5 | 31.1 | 30.6 | 30.6 | 30.2 |
| Total revenue growth | 4.1% | 5.9% | 3.1% | 4.3% | 39.9% | 48.2% | 53.3% | 57.6% |
| Expenses: | | | | | | | | |
| Property operating and maintenance | 5.4 | | 6.3 | 5.7 | 5.9 | | 6.5 | 5.6 |
| Real estate taxes | 4.6 | | 4.6 | 4.5 | 4.5 | | 3.9 | 4.4 |
| Homeowners’ association fees | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 |
| Property management | 2.8 | 2.6 | 2.8 | 2.7 | 2.8 | 2.8 | 3.2 | 2.9 |
| Depreciation and amortization | 9.3 | 9.4 | 9.2 | 9.3 | 9.4 | 10.1 | 9.1 | 8.9 |
| General and administrative | 3.6 | 3.4 | 3.5 | 3.7 | 3.9 | 4.0 | 3.9 | 4.0 |
| Share-based compensation | 0.8 | 0.7 | 0.7 | 0.8 | 0.6 | 0.7 | 0.7 | 0.7 |
| Severance and other | | | 0.3 | | 1.7 | | | |
| |
| Transaction expenses | | | | | | | | |
| Interest expense | 7.0 | | | | 6.2 | | | |
| Impairment of real estate | 0.1 | | | | 0.1 | | | |
| Total expenses | 36.3 | 34.6 | 34.5 | 33.5 | 35.3 | 33.8 | 33.9 | 34.2 |
| Loss before other income, income taxes and non-controlling interests | -3.8 | -2.2 | -2.9 | -2.0 | -4.1 | -3.2 | -3.2 | -4.0 |
| Operating margin | -11.8% | -6.7% | -9.2% | -6.4% | -13.3% | -10.3% | -10.6% | -13.2% |
| |
| Other income: | | | | | | | | |
| Net gain on disposition of real estate | | | | | | | | |
| Adjustments for derivative instruments, net | -0.2 | 0.2 | -0.1 | | | -0.1 | | |
| |
| Other expense | | | | | | | | |
| Total other income | 2.3 | 4.9 | 1.7 | 2.0 | 1.0 | 1.4 | 1.9 | 0.1 |
| Loss before income taxes and non-controlling interests | -1.6 | 2.7 | -1.2 | 0.0 | -3.1 | -1.7 | -1.4 | -3.9 |
| Income tax expense, net | -0.3 | 0.1 | -0.4 | -0.2 | -0.5 | 0.9 | 0.0 | 0.0 |
| Net loss | -1.9 | 2.9 | -1.7 | -0.2 | -3.6 | -0.8 | -1.4 | -3.9 |
| Net loss attributable to noncontrolling interests - Operating Partnership | 0.1 | -0.2 | 0.1 | 0.0 | 0.2 | 0.0 | 0.1 | 0.2 |
| Net loss attributable to controlling interests | -1.7 | 2.7 | -1.6 | -0.2 | -3.4 | -0.8 | -1.3 | -3.7 |
| Preferred stock distributions | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Net loss attributable to common stockholders | -1.8 | 2.7 | -1.6 | -0.2 | -3.4 | -0.8 | -1.4 | -3.7 |
| |
| Loss per share - basic and diluted (Note 7): | | | | | | | | |
| Net loss attributable to common shares (in dollars per share) | ($0.05) | $0.08 | ($0.05) | ($0.01) | ($0.09) | ($0.02) | ($0.04) | ($0.10) |
| |
| Weighted average common shares outstanding (in shares) | 35.4 | 35.6 | 35.4 | 35.4 | 36.0 | 36.2 | 36.1 | 36.3 |
| |
| Comprehensive Loss: | | | | | | | | |
| Net loss | -1.9 | 2.9 | -1.7 | -0.2 | -3.6 | -0.8 | -1.4 | -3.9 |
| |
| Other comprehensive income (loss): | | | | | | | | |
| Net change in fair value of cash flow hedges | | | | | | | | |
| Losses reclassified into earnings from other comprehensive income (loss) | | | | | | | | |
| Other comprehensive income (loss) | | | | | | | | |
| Comprehensive loss | | | | | | | | |
| Comprehensive loss attributable to noncontrolling interests - Operating Partnership | | | | | | | | |
| Comprehensive loss attributable to controlling interests | -1.2 | 6.9 | -1.1 | -0.3 | -3.8 | -0.7 | -2.4 | -4.1 |