Property Acquisitions (Details) $ in Millions	Mar. 31, 2021 ft²	Jan. 31, 2021 USD ($) ft²
Property Acquisitions
Area of Real Estate Property	29,134,784
885 Third Avenue
Property Acquisitions
Area of Real Estate Property		625,000
Gross Asset Valuation (in millions) \| $		$ 387.9

Amount of assets acquired at the acquisition date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant