Property Dispositions and Assets Held for Sale - Assets Held for Sale Narrative (Details) - 225 and 235 Presidential Way - Subsequent Event $ in Millions	Jan. 28, 2022 USD ($) $ / ft²
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, including discontinued operation, consideration \| $	$ 129.0
Disposal group, including discontinued operation, consideration per square foot \| $ / ft²	293

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.

No definition available.

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