Shareholders' Equity Share Repurchase Program (Details) - Former Employees Of RMR LLC - $ / shares	Mar. 13, 2020	Jan. 09, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased during period (in dollars per share)	1,500	1,938
Shares purchased for tax withholding and payment obligations	$ 3.79	$ 8.10

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.

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