| In millions, except per share items | Sep-30-20 | Jun-30-20 | Jun-05-20 | Mar-31-20 | Dec-31-19 | Sep-30-19 | Jun-30-19 | Jun-05-19 |
| | 10-Q | 10-Q | 8-K | 10-Q | 10-K | 10-Q | 10-Q | 8-K |
| Revenues: | | | | | | | | |
| Rental revenues | 56.9 | 55.1 | 55.1 | 54.3 | 52.1 | 50.8 | 51.6 | 51.6 |
| Total revenues | 56.9 | 55.1 | 55.1 | 54.3 | 52.1 | 50.8 | 51.6 | 51.6 |
| Total revenues growth | 12.2% | 6.9% | 6.9% | 3.2% | -3.6% | 5.1% | 26.0% | |
| Expenses: | | | | | | | | |
| Residential property operating expenses | 20.0 | 18.8 | | 18.9 | 19.6 | 20.8 | 19.0 | |
| Property management expenses | 3.6 | 3.6 | 3.6 | 4.2 | 4.0 | 4.2 | 3.5 | 3.5 |
| Depreciation and amortization | 20.2 | 20.2 | | 20.4 | 20.3 | 19.7 | 19.9 | |
| Acquisition and integration costs | 0.8 | 0.1 | | 0.1 | | 0.2 | 0.7 | |
| Impairment | 0.1 | 0.7 | 0.7 | 0.2 | 1.4 | 0.5 | 1.6 | 1.6 |
| Mortgage loan servicing costs | | | | | 0.1 | 0.2 | 0.2 | 0.2 |
| Interest expense | -17.4 | -18.9 | | -19.5 | -20.3 | -21.1 | -21.2 | |
| Share-based compensation | 1.6 | 0.9 | 10.0 | 1.5 | 1.5 | 1.5 | 1.8 | 9.8 |
| General and administrative | 6.6 | 9.1 | | 7.6 | 6.6 | 5.5 | 8.0 | |
| |
| Management fees to AAMC | | | | | | | | |
| Termination fee to AAMC | | | | | | | | |
| Total expenses | 119.9 | 75.9 | 0.7 | 94.7 | 96.9 | 77.3 | 79.4 | 2.2 |
| Net gain on real estate and mortgage loans | 0.2 | -2.9 | | 1.5 | | 0.4 | -21.4 | |
| Operating loss | -62.8 | -20.9 | -20.9 | -20.0 | -25.4 | -26.1 | -24.0 | -24.0 |
| Operating margin | -110.3% | -38.0% | -38.0% | -36.8% | -48.8% | -51.5% | -46.5% | -46.5% |
| Casualty losses | -0.3 | -0.3 | -0.3 | -0.3 | | -0.3 | -0.2 | -0.2 |
| Insurance recoveries | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 |
| Other (loss) income | -0.1 | 25.3 | | 0.0 | 0.0 | -10.0 | -0.8 | |
| Net loss before income taxes | -63.2 | 4.0 | | -20.2 | -25.3 | -36.4 | -25.0 | |
| Income tax expense | | 0.0 | | | -0.2 | | 0.0 | |
| Net loss | -63.2 | 4.0 | | -20.2 | -25.5 | -36.4 | -25.0 | |
| |
| Loss per share of common stock - basic: | | | | | | | | |
| Loss per basic share (usd per share) | ($1.08) | $0.07 | $0.07 | ($0.37) | ($0.47) | ($0.68) | ($0.47) | ($0.47) |
| |
| Weighted average common stock outstanding – basic (in shares) | 58.7 | 56.3 | 56,272.4 | 53.9 | 53.8 | 53.9 | 53.7 | 53,715.0 |
| |
| Loss per share of common stock - diluted: | | | | | | | | |
| Loss per diluted share (usd per share) | ($1.08) | $0.07 | $0.07 | ($0.37) | ($0.47) | ($0.68) | ($0.47) | ($0.47) |
| Weighted average common stock outstanding – diluted (in shares) | 58.7 | 56.8 | 56,796.9 | 53.9 | 53.8 | 53.9 | 53.7 | 53,715.0 |
| |
| Dividends declared per common share (usd per share) | | | | $0.15 | | $0.15 | $0.15 | $150.00 |