CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2020	Dec. 31, 2019
Equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	200,000,000	200,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	218,482,526	216,453,312
Common stock, shares outstanding (in shares)	218,482,526	216,453,312
Healthcare Trust of America Holdings, LP (HTALP)
Partners’ Capital:
Limited partner's capital, units issued (in shares)	3,561,260	3,834,279
Limited partner's capital, units outstanding (in shares)	3,561,260	3,834,279
General partner's capital, units issued (in shares)	218,482,526	216,453,312
General partner's capital, units outstanding (in shares)	218,482,526	216,453,312