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Real Estate Properties - Narrative (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Aug. 08, 2019 USD ($) property | Jun. 30, 2019 USD ($) state building property | May 31, 2019 USD ($) building community | Mar. 31, 2019 USD ($) building | Jun. 30, 2019 USD ($) state building property | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) ft² state building property | Jun. 30, 2018 USD ($)
Real Estate Properties |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | $ 2,213 | $ 548 | $ 8,419 | $ 548
Skilled Nursing Facility |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of real estate properties held for sale | property |  | 15 |  |  | 15 |  | 15 |
Impairment of assets |  |  |  |  | $ 2,117 |  | $ 8,323 |
Discontinued Operations, Held-for-sale |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of real estate properties | property |  | 456 |  |  | 456 |  | 456 |
Number of real estate properties held for sale | property |  | 22 |  |  | 22 |  | 22 |
Number of states in which properties are located | state |  | 42 |  |  | 42 |  | 42 |
Discontinued Operations, Held-for-sale | MOBs |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of real estate properties held for sale | property |  | 5 |  |  | 5 |  | 5 |
Aggregate purchase price |  |  |  |  |  |  | $ 9,926 |
Amount under agreement to sell |  | $ 10,072 |  |  | $ 10,072 |  | $ 10,072 |
Discontinued Operations, Held-for-sale | Skilled Nursing Facility |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of real estate properties held for sale | property |  | 17 |  |  | 17 |  | 17 |
Aggregate purchase price |  |  |  |  |  |  | $ 17,000 |
Amount under agreement to sell |  | $ 34,246 |  |  | $ 34,246 |  | $ 34,246 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of real estate properties | building |  | 13 |  |  | 13 |  | 13 |
Aggregate purchase price |  |  |  |  |  |  | $ 35,107 |
Gain on disposal of assets |  |  |  |  |  |  | $ 17,710 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | MOBs |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of properties sold | property |  |  |  |  |  |  | 10 |
Rentable space (in sqft) | ft² |  |  |  |  |  |  | 244,564 |
Aggregate purchase price |  |  |  |  |  |  | $ 13,607 |
Decrease in annual rental income |  |  |  |  | $ (589) |  | $ (1,599) |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Skilled Nursing Facility |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of communities sold | community |  |  | 3 |  |  |  |  |
Aggregate purchase price |  |  | $ 21,500 |  |  |  |  |
Decrease in annual rental income |  |  | $ 831 |  |  |  |  |
Senior Housing Properties |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of buildings | building |  | 2 |  |  | 2 |  | 2 |
Senior Housing Properties | MOBs |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of properties included in joint venture | property |  | 1 |  |  | 1 |  | 1 |
Joint Venture |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Ownership percentage |  | 55.00% |  |  | 55.00% |  | 55.00% |
California | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Skilled Nursing Facility |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of real estate properties | building |  |  | 3 |  |  |  |  |
Aggregate purchase price |  |  | $ 21,500 |  |  |  |  |
Gain on disposal of assets |  |  | $ 15,207 |  |  |  |  |
Massachusetts | MOBs |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | $ 96 |  |  |
Number of properties sold | property |  |  |  |  | 3 |  |  |
Massachusetts | Discontinued Operations, Held-for-sale | MOBs |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of properties sold | property |  | 3 |  |  |  |  |  |
Aggregate purchase price |  | $ 4,955 |  |  |  |  |  |
Massachusetts | Disposal Group, Disposed of by Sale, Not Discontinued Operations | MOBs |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Number of real estate properties | building |  | 7 |  | 1 | 7 |  | 7 |
Aggregate purchase price |  | $ 8,042 |  | $ 75 |  |  |  |
Gain on disposal of assets |  | $ 1,590 |  | $ (58) |  |  |  |
Subsequent Event | Massachusetts | Discontinued Operations, Held-for-sale | Senior Living Communities |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Aggregate purchase price | $ 135,000 |  |  |  |  |  |  |
Number of real estate properties under agreement | property | 15 |  |  |  |  |  |  |

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