Subsequent Events	6 Months Ended
Jun. 30, 2020
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events As of July 5, 2020, we repaid at par $25.1 million of mortgage debt at 206 East 9th Street. On July 8, 2020, our Board of Trustees declared a dividend of $0.40625 per series D preferred share, which will be paid on August 17, 2020 to shareholders of record on July 29, 2020.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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