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Leases and Management Agreements with Five Star (Details) | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2016 USD ($) pooling_agreement lease_agreement community | Mar. 31, 2017 USD ($) lease_agreement community | Mar. 31, 2016 USD ($) community | Dec. 31, 2016 USD ($) | Jun. 29, 2016 community | May 31, 2015
Related party transaction, property management agreement, number of communities subject to reset of annual minimum return | community |  |  |  |  | 10 |
Five Star |  |  |  |  |  |
Number of communities leased by the Company | community |  | 185 | 177 |  |  |
Number of leases with related party | lease_agreement |  | 5 |  |  |  |
Total rental income recognized |  | $ 50,985,000 | $ 48,108,000 |  |  |
Related party transaction, annual rents due |  | 1,445,000 | 1,473,000 |  |  |
Rents receivable |  | 16,987,000 |  | $ 18,320,000 |  |
Real estate improvements purchased |  | 8,082,000 | 5,755,000 |  |  |
Increase or decrease in annual lease rent payable |  | 648,000 | 462,000 |  |  |
Property management agreement expense |  | $ 3,299,000 | $ 2,804,000 |  |  |
Number of pre-existing management agreements terminated | pooling_agreement | 3 |  |  |  |  |
Number of pre-existing management agreements | lease_agreement | 4 |  |  |  |  |
Five Star | Rents from significant lessee | Revenues |  |  |  |  |  |
% of Total (as a percent) |  | 19.30% |  |  |  |
Five Star | Rents from significant lessee | Investment |  |  |  |  |  |
% of Total (as a percent) |  | 29.60% |  |  |  |
Senior Living Communities | Five Star |  |  |  |  |  |
Number of communities managed by related party | community |  | 68 | 60 |  |  |
Number of separate management agreements | pooling_agreement | 10 |  |  |  |  |
Four States | Senior Living Communities |  |  |  |  |  |
Number of properties acquired | community | 7 |  |  |  |  |
Real estate aggregate purchase price | $ 112,350,000 |  |  |  |  |
A L Pooling Agreements | Five Star |  |  |  |  |  |
Related party transaction, property management agreement, management fees as percentage of gross revenues |  |  |  |  | 5.00% | 3.00%
Related party transaction property management agreement, payment of capital expenditure as percentage of the funded amount |  |  |  |  | 0.03 |
Related party transaction, property management agreement, incentive fee as percentage of annual net operating income after realization of specified percentage of annual return |  |  |  |  | 20.00% | 35.00%

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- Definition Represents the increase or decrease on the annual rent the lessee is obligated to pay on an operating lease. + References No definition available. + Details
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- Definition Expenses recognized during the period resulting from property management transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period. + References No definition available. + Details
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