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Related Person Transactions - Up-C Transaction (Details) $ in Thousands |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 15, 2015 USD ($) shares | Dec. 14, 2015 shares | Jun. 05, 2015 USD ($) Vote shares | Dec. 31, 2015 USD ($) shares | Dec. 31, 2015 USD ($) shares
Related person transactions |  |  |  |  |
Loss on distribution to common shareholders of The RMR Group Inc. common stock | $ |  |  |  |  | $ (38,437)
RMR LLC |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  |  |  | 81,557
Up C Transaction | RMR Inc |  |  |  |  |
Related person transactions |  |  |  |  |
Direct and indirect economic interest in RMR LLC (as a percent) |  |  | 51.60% |  |
Voting power of outstanding capital stock of RMR Inc. (as a percent) |  |  | 91.40% |  |
Up C Transaction | Managing Trustees Barry And Adam Portnoy | RMR Inc |  |  |  |  |
Related person transactions |  |  |  |  |
Number of shares under lock up and registration agreement |  |  |  |  | 2,345,000
Period over which shares remain under lock up and registration agreement |  |  |  |  | 10 years
RMR Inc | Up C Transaction |  |  |  |  |
Related person transactions |  |  |  |  |
Cash purchase price | $ |  |  | $ 13,967 |  |
Equity conversion ratio of RMR Inc class B-1 common stock |  |  | 1 |  |
Equity conversion ratio of RMR LLC class A membership units |  |  | 1 |  |
RMR Inc | Up C Transaction | ABP Trust formerly known as RMR Trust |  |  |  |  |
Related person transactions |  |  |  |  |
Cash purchase price | $ |  |  | $ 11,520 |  |
RMR Inc | Up C Transaction | GOV |  |  |  |  |
Related person transactions |  |  |  |  |
Cash purchase price | $ |  |  | 3,917 |  |
RMR Inc | Up C Transaction | HPT |  |  |  |  |
Related person transactions |  |  |  |  |
Cash purchase price | $ |  |  | 12,622 |  |
RMR Inc | Up C Transaction | SIR |  |  |  |  |
Related person transactions |  |  |  |  |
Cash purchase price | $ |  |  | $ 15,880 |  |
Common Shares | RMR Inc | Up C Transaction |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 2,345,000 |  |
Common Shares | RMR Inc | Up C Transaction | GOV |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 700,000 |  |
Common Shares | RMR Inc | Up C Transaction | HPT |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 1,490,000 |  |
Common Shares | RMR Inc | Up C Transaction | SIR |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 880,000 |  |
Class A common shares | RMR Inc |  |  |  |  |
Related person transactions |  |  |  |  |
Share distributed to the shareholders |  | 2,635,379 |  |  |
Class A common shares | RMR Inc |  |  |  |  |
Related person transactions |  |  |  |  |
Loss on distribution to common shareholders of The RMR Group Inc. common stock | $ |  |  |  | $ 38,437 |
Cash dividend received (per share) | 0.5260 |  |  |  |
Proceeds from dividends received | $ | $ 2,773 |  |  |  |
Class A common shares | RMR Inc | Up C Transaction |  |  |  |  |
Related person transactions |  |  |  |  |
Number of votes per equity interest | Vote |  |  | 1 |  |
Class A common shares | RMR Inc | Up C Transaction | GOV |  |  |  |  |
Related person transactions |  |  |  |  |
Investment in common shares |  |  | 1,214,225 |  |
Class A common shares | RMR Inc | Up C Transaction | HPT |  |  |  |  |
Related person transactions |  |  |  |  |
Investment in common shares |  |  | 2,503,777 |  |
Class A common shares | RMR Inc | Up C Transaction | SIR |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 3,166,891 |  |
Investment in common shares |  |  | 1,586,836 |  |
Class B1 common shares | RMR Inc |  |  |  |  |
Related person transactions |  |  |  |  |
Cash dividend received (per share) | 0.5260 |  |  |  |
Class B1 common shares | RMR Inc | Up C Transaction |  |  |  |  |
Related person transactions |  |  |  |  |
Number of votes per equity interest | Vote |  |  | 10 |  |
Class B1 common shares | RMR Inc | Up C Transaction | SIR |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 1,000,000 |  |
Class B2 common shares | RMR Inc | Up C Transaction |  |  |  |  |
Related person transactions |  |  |  |  |
Number of votes per equity interest | Vote |  |  | 10 |  |
Economic interest in RMR Inc (as a percent) |  |  | 0.00% |  |
Class B2 common shares | RMR Inc | Up C Transaction | RMR Inc |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 5,272,787 |  |
Class B2 common shares | RMR Inc | Up C Transaction | ABP Trust formerly known as RMR Trust |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 15,000,000 |  |
Class B2 common shares | RMR Inc | Up C Transaction | GOV |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 1,541,201 |  |
Class B2 common shares | RMR Inc | Up C Transaction | HPT |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 5,019,121 |  |
Class A member units | Up C Transaction | RMR LLC | ABP Trust formerly known as RMR Trust |  |  |  |  |
Related person transactions |  |  |  |  |
Investment in common shares |  |  | 30,000,000 |  |
Class A member units | RMR Inc | Up C Transaction | RMR LLC | ABP Trust formerly known as RMR Trust |  |  |  |  |
Related person transactions |  |  |  |  |
Business acquisition related party equity interests delivered |  |  | 15,000,000 |  |
Class B member units | RMR Inc | Up C Transaction | RMR LLC |  |  |  |  |
Related person transactions |  |  |  |  |
Shares issued in connection with acquisition |  |  | 1,000,000 |  |
Class A common shares | The RMR Group Inc |  |  |  |  |
Related person transactions |  |  |  |  |
Investment in common shares |  |  |  | 2,637,408 | 2,637,408

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