<SEC-DOCUMENT>0001104659-21-009713-index.html : 20210201
<SEC-HEADER>0001104659-21-009713.hdr.sgml : 20210201
<ACCEPTANCE-DATETIME>20210201081102
ACCESSION NUMBER:		0001104659-21-009713
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20210129
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210201
DATE AS OF CHANGE:		20210201

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIVERSIFIED HEALTHCARE TRUST
		CENTRAL INDEX KEY:			0001075415
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				043445278
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15319
		FILM NUMBER:		21574423

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE RMR GROUP
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
		BUSINESS PHONE:		(617) 796-8350

	MAIL ADDRESS:	
		STREET 1:		C/O THE RMR GROUP
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SENIOR HOUSING PROPERTIES TRUST
		DATE OF NAME CHANGE:	19981217
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>tm214802d1_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: tm214802d1_8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.1 <SEQUENCE>2 <FILENAME>tm214802d1_ex10-1.htm <DESCRIPTION>EXHIBIT 10.1 <TEXT> Document 2 - file: tm214802d1_ex10-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.2 <SEQUENCE>3 <FILENAME>tm214802d1_ex10-2.htm <DESCRIPTION>EXHIBIT 10.2 <TEXT> Document 3 - file: tm214802d1_ex10-2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.3 <SEQUENCE>4 <FILENAME>tm214802d1_ex10-3.htm <DESCRIPTION>EXHIBIT 10.3 <TEXT> Document 4 - file: tm214802d1_ex10-3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>5 <FILENAME>dhc-20210129.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA <TEXT> Document 5 - file: dhc-20210129.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>6 <FILENAME>dhc-20210129_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE <TEXT> Document 6 - file: dhc-20210129_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>7 <FILENAME>dhc-20210129_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 7 - file: dhc-20210129_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>8 <FILENAME>dhc-20210129_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE <TEXT> Document 8 - file: dhc-20210129_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>tm214802d1_ex10-1img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: tm214802d1_ex10-1img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>tm214802d1ex10-2image_005.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: tm214802d1ex10-2image_005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>11 <FILENAME>tm214802d1_8k_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 11 - file: tm214802d1_8k_htm.html
Document 11 - RAW XML: tm214802d1_8k_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>13 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>14 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 14 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>15 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 15 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>16 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: FilingSummary.html
Document 16 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>18 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 18 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>19 <FILENAME>0001104659-21-009713-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 19 - file: 0001104659-21-009713-xbrl.zip
</DOCUMENT> </SEC-DOCUMENT>