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Business and Property Management Agreements with RMR LLC - (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2017 USD ($) employee management_agreement property | Mar. 31, 2016 USD ($)
Related person transactions |  |
Number of employees | employee | 0 |
Property management and construction supervision fees | $ 2,590 | $ 2,546
Property management and construction supervision fees paid | 2,379 | 2,128
Professional Fees | 67 |
RMR LLC |  |
Related person transactions |  |
Business management fees incurred |  | $ 8,347
Related Party Transaction Amortization Of Liability | 62 |
Related Party Transaction Business Management Fees Related to Subsidiary Level Management | 12,781 |
Related Party Transaction Business Management Agreement Incentive Fee Paid | $ 3,266 |
Senior Living Communities | RMR Inc |  |
Related person transactions |  |
Number of consecutive renewal terms of agreement | management_agreement | 2 |
Number of communities managed by related party | property | 1 |

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- Definition Represents the number of consecutive renewal terms of agreement that the entity has the option to renew. + References No definition available. + Details
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- Definition A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.2(a),(b),(c),(d)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section 45 -Paragraph 3 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849 + Details
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