CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2019	Dec. 31, 2018
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)	207,186,452	205,267,349
Common stock, shares outstanding (in shares)	207,186,452	205,267,349
Healthcare Trust of America Holdings, LP (HTALP)
Partners’ Capital:
Limited partner's capital, units issued (in shares)	3,848,279	3,929,083
Limited partner's capital, units outstanding (in shares)	3,848,279	3,929,083
General partner's capital, units issued (in shares)	207,186,452	205,267,349
General partner's capital, units outstanding (in shares)	207,186,452	205,267,349