Consolidated Statements of Changes In Partners' Capital - USD ($) $ in Thousands		Total	Healthcare Trust of America Holdings, LP (HTALP)	Healthcare Trust of America Holdings, LP (HTALP) General Partners’ Capital	Healthcare Trust of America Holdings, LP (HTALP) Limited Partners’ Capital
Balance as of beginning of period (in units) at Dec. 31, 2012	[1]			107,326,000	1,528,000
Balance as of beginning of period at Dec. 31, 2012			$ 1,266,199	$ 1,254,536	$ 11,663
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of general partner units (in units)	[1]			10,937,000
Issuance of general partner units			239,334	$ 239,334
Share-based award transactions, net (in units)	[1]			203,000	(1,000)
Share-based award transactions, net			5,724	$ 2,547	$ 3,177
Redemptions of general partner units (in units)	[1]			(26,000)
Redemption and cancellation of general partner units			(522)	$ (522)
Distributions	[1]		(134,074)	(132,680)	(1,394)
Net income		$ 24,261	24,633	$ 24,261	$ 372
Balance as of end of period (in units) at Dec. 31, 2013	[1]			118,440,000	1,527,000
Balance as of end of period at Dec. 31, 2013			1,401,294	$ 1,387,476	$ 13,818
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of general partner units (in units)				6,371,000
Issuance of general partner units			152,014	$ 152,014
Issuance of limited partner units in connection with acquisitions (in units)					692,000
Issuance of limited partner units in connection with acquisitions			16,960		$ 16,960
Share-based award transactions, net (in units)				263,000	(3,000)
Share-based award transactions, net			4,383	$ 4,383
Redemptions of general partner units (in units)				(48,000)
Redemption and cancellation of general partner units			(1,056)	$ (1,056)
Redemption of limited partner units (in units)				61,000	(61,000)
Redemption of limited partner units and other			(2,025)	$ (1,424)	$ (601)
Distributions			(141,010)	(139,355)	(1,655)
Net income		45,371	45,861	$ 45,371	$ 490
Balance as of end of period (in units) at Dec. 31, 2014				125,087,000	2,155,000
Balance as of end of period at Dec. 31, 2014			1,476,421	$ 1,447,409	$ 29,012
Increase (Decrease) in Partners' Capital [Roll Forward]
Issuance of general partner units (in units)				1,800,000
Issuance of general partner units			43,649	$ 43,649
Share-based award transactions, net (in units)				202,000	(225,000)
Share-based award transactions, net			5,724	$ 5,724
Redemptions of general partner units (in units)				(62,000)
Redemption and cancellation of general partner units			(1,667)	$ (1,667)
Redemption of limited partner units and other			(813)	(813)
Distributions			(149,801)	(147,539)	$ (2,262)
Net income		$ 32,931	33,445	$ 32,931	$ 514
Balance as of end of period (in units) at Dec. 31, 2015				127,027,000	1,930,000
Balance as of end of period at Dec. 31, 2015			$ 1,406,958	$ 1,379,694	$ 27,264

[1] For the year ended December 31, 2013, amounts have been adjusted retroactively to reflect the Reverse Stock Split effected on December 15, 2014.