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Related Person Transactions - Five Star (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2015 USD ($) | Jul. 31, 2015 USD ($) | May. 31, 2015 USD ($) agreement community item | Feb. 28, 2015 USD ($) | Sep. 30, 2015 USD ($) property community item shares | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) property item shares | Sep. 30, 2014 USD ($) community | Dec. 31, 2014 USD ($) | Dec. 31, 2001
Acquisition |  |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |  |
Total rental income recognized |  |  |  |  |  |  | $ 27,412 |  |  |
Acquisition | Senior living communities |  |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |  |
Number of living units | item |  |  | 40 |  | 3,563 |  | 3,563 |  |  |
Five Star |  |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |  |
Percentage of total shares outstanding |  |  |  |  | 8.60% |  | 8.60% |  |  | 100.00%
Investment in common shares | shares |  |  |  |  | 4,235,000 |  | 4,235,000 |  |  |
Five Star | Senior living communities |  |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |  |
Number of real estate properties leased | property |  |  |  |  | 178 |  | 178 |  |  |
Total rental income recognized |  |  |  |  | $ 47,828 | $ 47,717 | $ 143,271 | $ 142,842 |  |
Deferred estimated percentage rent payments received |  |  |  |  |  |  | 4,194 | 4,317 |  |
Real estate improvements purchased |  |  |  |  |  |  | 16,915 | 23,776 |  |
Increase or decrease in annual lease rent payable |  |  |  |  |  |  | 1,361 | $ 1,902 |  |
Rents receivable |  |  |  |  | $ 15,937 |  | $ 15,937 |  | $ 17,310 |
Number of properties acquired, referred to as managed properties |  |  | 37 |  | 60 |  | 60 | 44 |  |
Property management agreement expense |  |  |  |  | $ 2,717 | 2,438 | $ 7,939 | $ 7,295 |  |
Number of separate management agreements entered for communities acquired | agreement |  |  | 14 |  |  |  |  |  |  |
Five Star | Senior living communities | TRS |  |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |  |
Number of private pay independent living units | item |  |  | 40 |  |  |  |  |  |  |
Purchase price excluding closing costs and working capital adjustments |  |  | $ 9,750 |  |  |  |  |  |  |
Five Star | Acquisition | Senior living communities |  |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |  |
Number of living units | item |  |  | 838 |  |  |  |  |  |  |
Five Star | Sale | Senior living communities |  |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |  |
Increase or decrease in annual lease rent payable |  | $ (16) |  |  |  |  |  |  |  |
Sale price of properties under agreement to be sold | $ 850 | $ 155 |  | $ 250 |  |  |  |  |  |
Minimum annual rent payable to entity | $ 85 |  |  | $ 23 |  |  |  |  |  |
D&R Yonkers LLC | TRS |  |  |  |  |  |  |  |  |  |
Related person transactions |  |  |  |  |  |  |  |  |  |
Sublease rental |  |  |  |  | $ 759 | $ 737 | $ 2,263 | $ 2,197 |  |

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