v3.2.0.727

CONCENTRATION OF CREDIT RISK (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 7 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 31, 2014 property | Jun. 30, 2015 board_member province state community | Jun. 30, 2014 | Jun. 30, 2015 board_member province state community | Jun. 30, 2015 board_member province property state community | Jan. 31, 2015 USD ($)
Concentration Risk [Line Items] |  |  |  |  |  |
Number of states |  | 47 |  | 47 | 47 |
Number of Canadian provinces | province |  | 7 |  | 7 | 7 |
ATRIA |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Ownership interests accounted for under the equity method (as a percent) | 34.00% | 34.00% |  | 34.00% | 34.00% |
Number of board members appointed | board_member |  | 2 |  | 2 | 2 |
Number of board members | board_member |  | 5 |  | 5 | 5 |
Kindred |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Number of properties transitioned | property | 9 |  |  |  |  |
Number of real estate properties sold | property |  |  |  |  | 2 |
Lease modifications, number of properties | property | 34 |  |  |  |  |
Lease modification and transition agreement amount | $ |  |  |  |  |  | $ 37
Seniors Housing Communities |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Number of seniors housing communities under long-term management agreements | community |  | 305 |  | 305 | 305 |
Seniors Housing Communities | Atria and Sunrise |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Number of seniors housing communities under long-term management agreements | community |  | 269 |  | 269 | 269 |
Total gross book value of properties | ATRIA |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  |  |  | 21.20% |  |
Total gross book value of properties | SUNRISE |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  |  |  | 10.90% |  |
Total gross book value of properties | Brookdale Senior Living |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  |  |  | 8.20% |  |
Total gross book value of properties | Kindred |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  |  |  | 2.00% |  |
Total gross book value of properties | Seniors Housing Communities |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  |  |  | 61.30% |  |
Total gross book value of properties | Hospitals, Medical Office Building, and Other |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  |  |  | 38.70% |  |
Total revenues |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Number of states accounting for more than 10% of total revenues |  | 1 |  |  |  |
Total revenues | Brookdale Senior Living |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  | 4.70% | 5.30% |  |  |
Total revenues | Kindred |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  | 5.30% | 6.50% |  |  |
Total NOI |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Number of states accounting for more than 10% of net operating income |  | 1 |  | 1 | 1 |
Total NOI | Brookdale Senior Living |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  | 7.70% | 8.60% |  |  |
Total NOI | Kindred |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration percentage |  | 8.70% | 10.60% |  |  |

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