| Label |
Element |
Value |
| Government Properties Income Trust [Member] |
|
|
| Revenue from Related Parties |
us-gaap_RevenueFromRelatedParties |
$ 7,595,000
|
| Revenue from Related Parties |
us-gaap_RevenueFromRelatedParties |
$ 7,211,000
|
| Related Party Transaction, Shares from Related Party |
rmr_RelatedPartyTransactionSharesFromRelatedParty |
11,456
|
| Related Party Transaction, Value Of Shares Received from Related Party |
rmr_RelatedPartyTransactionValueOfSharesReceivedFromRelatedParty |
$ 262,000
|
| Percentage of Revenue From Related Parties |
rmr_PercentageOfRevenueFromRelatedParties |
16.20%
|
| Percentage of Revenue From Related Parties |
rmr_PercentageOfRevenueFromRelatedParties |
6.50%
|
| Due from Related Parties |
us-gaap_DueFromRelatedParties |
$ 3,506,000
|
| Due from Related Parties |
us-gaap_DueFromRelatedParties |
4,414,000
|
| Hospitality Properties Trust [Member] |
|
|
| Revenue from Related Parties |
us-gaap_RevenueFromRelatedParties |
10,477,000
|
| Revenue from Related Parties |
us-gaap_RevenueFromRelatedParties |
$ 71,823,000
|
| Related Party Transaction, Shares from Related Party |
rmr_RelatedPartyTransactionSharesFromRelatedParty |
32,695
|
| Related Party Transaction, Value Of Shares Received from Related Party |
rmr_RelatedPartyTransactionValueOfSharesReceivedFromRelatedParty |
$ 940,000
|
| Percentage of Revenue From Related Parties |
rmr_PercentageOfRevenueFromRelatedParties |
22.40%
|
| Percentage of Revenue From Related Parties |
rmr_PercentageOfRevenueFromRelatedParties |
65.20%
|
| Due from Related Parties |
us-gaap_DueFromRelatedParties |
$ 6,990,000
|
| Due from Related Parties |
us-gaap_DueFromRelatedParties |
69,069,000
|
| Select Income R E I T [Member] |
|
|
| Revenue from Related Parties |
us-gaap_RevenueFromRelatedParties |
4,904,000
|
| Revenue from Related Parties |
us-gaap_RevenueFromRelatedParties |
$ 9,723,000
|
| Related Party Transaction, Shares from Related Party |
rmr_RelatedPartyTransactionSharesFromRelatedParty |
10,208
|
| Related Party Transaction, Value Of Shares Received from Related Party |
rmr_RelatedPartyTransactionValueOfSharesReceivedFromRelatedParty |
$ 249,000
|
| Percentage of Revenue From Related Parties |
rmr_PercentageOfRevenueFromRelatedParties |
10.50%
|
| Percentage of Revenue From Related Parties |
rmr_PercentageOfRevenueFromRelatedParties |
8.80%
|
| Due from Related Parties |
us-gaap_DueFromRelatedParties |
$ 4,741,000
|
| Due from Related Parties |
us-gaap_DueFromRelatedParties |
5,269,000
|
| Senior Housing Properties Trust [Member] |
|
|
| Revenue from Related Parties |
us-gaap_RevenueFromRelatedParties |
12,619,000
|
| Revenue from Related Parties |
us-gaap_RevenueFromRelatedParties |
$ 13,422,000
|
| Related Party Transaction, Shares from Related Party |
rmr_RelatedPartyTransactionSharesFromRelatedParty |
37,476
|
| Related Party Transaction, Value Of Shares Received from Related Party |
rmr_RelatedPartyTransactionValueOfSharesReceivedFromRelatedParty |
$ 821,000
|
| Percentage of Revenue From Related Parties |
rmr_PercentageOfRevenueFromRelatedParties |
26.90%
|
| Percentage of Revenue From Related Parties |
rmr_PercentageOfRevenueFromRelatedParties |
12.20%
|
| Due from Related Parties |
us-gaap_DueFromRelatedParties |
$ 6,853,000
|
| Due from Related Parties |
us-gaap_DueFromRelatedParties |
7,308,000
|
| Up C Transaction [Member] | Hospitality Properties Trust [Member] |
|
|
| Incentive business management fees received |
rmr_IncentiveBusinessManagementFeesReceived |
62,263,000
|
| Subsidiaries [Member] | Up C Transaction [Member] | Hospitality Properties Trust [Member] |
|
|
| Aggregate Incentive Business Management Fees |
rmr_AggregateIncentiveBusinessManagementFees |
$ 62,263,000
|
| Common Class A [Member] | Government Properties Income Trust [Member] |
|
|
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued |
1,541,201
|
| Common Class A [Member] | Hospitality Properties Trust [Member] |
|
|
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued |
5,019,121
|
| Common Class A [Member] | Select Income R E I T [Member] |
|
|
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued |
3,166,891
|
| Common Class A [Member] | Senior Housing Properties Trust [Member] |
|
|
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued |
5,272,787
|
