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Shareholders' Equity (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  |  | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 18, 2019 USD ($) $ / shares | Jul. 03, 2019 $ / shares shares | May 21, 2019 trustee $ / shares shares | May 16, 2019 USD ($) $ / shares | Apr. 05, 2019 $ / shares shares | Feb. 21, 2019 USD ($) $ / shares | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares granted in period (in shares) | shares |  |  | 3,000 |  |  |  |  |
Common shares granted (in dollars per share) |  |  | $ 7.95 |  |  |  |  |
Number of independent trustees | trustee |  |  | 5 |  |  |  |  |
Dividends paid (in dollars per share) |  |  |  | $ 0.15 |  | $ 0.39 |  |
Distributions to shareholders | $ |  |  |  | $ 35,659 |  | $ 92,714 | $ 128,373 | $ 185,350
Former Employees Of RMR LLC |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares purchased for tax withholding and payment obligations | shares |  |  |  |  | 3,529 |  |  |
Stock repurchased during period (in dollars per share) |  |  |  |  | $ 9.47 |  |  |
Subsequent Event |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Distributions to common shareholders declared (in dollars per share) | $ 0.15 |  |  |  |  |  |  |
Distributions to shareholders | $ | $ 35,661 |  |  |  |  |  |  |
Subsequent Event | Former Employees Of RMR LLC |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares purchased for tax withholding and payment obligations | shares |  | 2,912 |  |  |  |  |  |
Stock repurchased during period (in dollars per share) |  | $ 8.64 |  |  |  |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
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