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v3.3.0.814

Related Person Transactions - Leases with RMR LLC (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 29, 2015 USD ($) ft² state property | Jun. 30, 2015 USD ($) | Apr. 30, 2015 USD ($) | Jan. 31, 2015 USD ($) ft² property | Sep. 30, 2015 USD ($) ft² item | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) ft² property item | Sep. 30, 2014 USD ($) | Dec. 31, 2014 property
Related person transactions |  |  |  |  |  |  |  |  |
Number of states in which properties are located | item |  |  |  |  | 43 |  | 43 |  |
Income (loss) recognized arising from equity investments |  |  |  |  | $ (24) | $ 38 | $ 70 | $ 59 |
Change in net unrealized (loss) gain on investments |  |  |  |  | $ (7,242) | (5,404) | (4,407) | (6,684) |
RMR LLC |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |
Rental revenue from related party |  |  |  |  |  |  | $ 153 |  |
Acquisition |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |
Number of properties acquired or agreed to be acquired | property |  |  |  |  |  |  | 23 |  |
Acquisition | MOBs |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |
Number of properties acquired or agreed to be acquired | property |  |  |  | 23 |  |  | 23 |  | 2
Purchase price excluding closing costs and working capital adjustments |  |  |  | $ 531,623 |  |  | $ 531,623 |  |
Area of real estate properties (in square feet) | ft² |  |  |  | 2,170,000 | 2,170,000 |  | 2,170,000 |  |
Acquisition | MOBs | SIR |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |
Amount from SIR related to working capital activity |  |  | $ 8,993 |  |  |  |  |  |
SIR |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |
Debt disposed of from properties sold | $ 29,955 |  |  |  |  |  |  |  |
SIR | Acquisition | MOBs |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |
Number of properties acquired or agreed to be acquired | property | 23 |  |  |  |  |  |  |  |
Purchase price excluding closing costs and working capital adjustments | $ 539,000 |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² | 2,170,000 |  |  |  |  |  |  |  |
Number of states in which properties are located | state | 12 |  |  |  |  |  |  |  |
AIC |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |
Equity method investments, carrying value |  |  |  |  | $ 6,807 |  | $ 6,807 |  |
Income (loss) recognized arising from equity investments |  |  |  |  | (24) | 59 | 70 | 38 |
Change in net unrealized (loss) gain on investments |  |  |  |  | (72) | $ (33) | (91) | $ 17 |
Coverage of purchased property insurance |  | $ 500,000 |  |  |  |  |  |  |
Coverage of purchased property insurance for large property |  | 1,000,000 |  |  |  |  |  |  |
Coverage of purchased property terror insurance |  | 200,000 |  |  |  |  |  |  |
Property insurance premium |  | $ 4,222 |  |  |  |  |  |  |
RMR LLC |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |
Aggregate coverage of combined directors' and officers' liability insurance policy purchased by the related party |  |  |  |  | 10,000 |  | 10,000 |  |
Aggregate additional coverage of combined directors' and officers' liability insurance policy purchased by the related party |  |  |  |  | 20,000 |  | 20,000 |  |
Non-indemnifiable coverage of combined directors' and officers' liability insurance policy purchased by the related party |  |  |  |  |  |  | 5,000 |  |
Premium payable for combined directors' and officers' liability insurance policy |  |  |  |  | $ 502 |  | $ 502 |  |

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