Pending Merger with Healthcare Trust of America	3 Months Ended
	Mar. 31, 2022
Business Combination and Asset Acquisition [Abstract]
Pending Merger with Healthcare Trust of America	Pending Merger with Healthcare Trust of AmericaOn February 28, 2022, the Company executed a definitive Agreement and Plan of Merger (the “Merger Agreement”), dated as of February 28, 2022, by and among the Company, Healthcare Trust of America, Inc., a Maryland corporation (“HTA”), Healthcare Trust of America Holdings, LP, a Delaware limited partnership (the “Operating Partnership”), and HR Acquisition 2, LLC, a Maryland limited liability company (“Merger Sub”), to effect a strategic business combination of the the Company and HTA to be led by the Company's management team (the "Merger"). The Merger Agreement provides for a reverse merger structure whereby the Company will merge with and into Merger Sub,with the Company continuing as the surviving corporation and a wholly owned subsidiary of HTA. Immediately following the merger, HTA will change its name to Healthcare Realty Trust Incorporated (the “Combined Company”). The executive officers of the Company immediately preceding the Merger will serve as the executive officers of the Combined Company. The board of directors of the Combined Company will be comprised of all nine directors from the Company's board and four directors from HTA’s board. The Company has incurred $6.1 million in costs related to the pending Merger.