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Business and Property Management Agreements with RMR LLC (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jan. 31, 2018 USD ($) | Jun. 30, 2018 USD ($) employee | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) property employee management_agreement | Jun. 30, 2017 USD ($)
Related person transactions |  |  |  |  |
Number of employees | employee |  | 0 |  | 0 |
Related party transaction business management agreement incentive fee paid | $ 55,740 |  |  |  |
Property management and construction supervision fees |  | $ 2,984 | $ 2,708 | $ 5,805 | $ 4,888
Property management and construction supervision fees paid |  | 3,172 | 2,383 | 5,951 | 4,763
Professional fees |  | 69 | 67 | 138 | 134
RMR LLC |  |  |  |  |
Related person transactions |  |  |  |  |
Business management fees incurred |  | 26,489 | 20,431 | 49,813 | 33,212
Related party transaction business management fees related to subsidiary level management |  | 725 | 725 | 1,450 | 787
Related party transaction business management agreement, annual incentive fee estimate included in management fees |  | $ 17,610 | $ 10,760 | $ 31,957 | $ 14,026
Related party transaction, incentive fee payable assessment period |  |  |  | 3 years |
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 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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