Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ 24,684	$ (24,368)	$ 5,593
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization and other	119,904	114,575	104,045
Share-based compensation expense	5,648	17,408	3,221
Bad debt expense	453	1,064	1,447
Change in fair value of derivative financial instruments	(10,796)	7,667	856
Changes in operating assets and liabilities:
Receivables and other assets, net	(15,931)	(4,765)	(2,964)
Accounts payable and accrued liabilities	14,789	2,684	295
Security deposits, prepaid rent and other liabilities	9,073	2,520	(686)
Net cash provided by operating activities	147,824	116,785	111,807
Cash flows from investing activities:
Acquisition of real estate operating properties and other assets	(340,307)	(257,386)	(61,385)
Capital expenditures	(25,382)	(22,909)	(16,034)
Issuance of real estate notes receivable	(8,520)	0	0
Restricted cash, escrow deposits and notes receivable	(491)	(4,830)	(4,502)
Release of restricted cash	0	580	14,463
Real estate deposits paid	0	(3,810)	(4,500)
Real estate deposits used	0	4,810	6,000
Net cash used in investing activities	(374,700)	(283,545)	(65,958)
Cash flows from financing activities:
Proceeds from unsecured senior notes	297,558	0	0
Borrowings on unsecured revolving credit facility	158,000	360,000	0
Payments on unsecured revolving credit facility	(175,000)	(288,000)	(7,000)
Borrowings on unsecured term loans	0	455,000	0
Borrowings on secured real estate term loan and mortgage loans	0	0	125,500
Payments on secured real estate term loan and mortgage loans	(156,963)	(128,601)	(192,083)
Deferred financing costs	(3,651)	(6,436)	(3,401)
Derivative financial instrument termination payments	(1,195)	0	0
Security deposits	1,225	765	596
Proceeds from issuance of common stock, net	240,657	0	214,641
Repurchase and cancellation of common stock	(522)	(182,602)	(37,680)
Payment of offering costs	0	(2,884)	(21,137)
Dividends	(129,360)	(93,273)	(84,800)
Payment on earnout liability	(92)	(328)	0
Distributions to noncontrolling interest of limited partners	(1,656)	(416)	(264)
Net cash provided by (used in) financing activities	229,001	113,225	(5,628)
Net change in cash and cash equivalents	2,125	(53,535)	40,221
Cash and cash equivalents - beginning of period	15,956	69,491	29,270
Cash and cash equivalents - end of period	18,081	15,956	69,491
Healthcare Trust of America Holdings, LP (HTALP)
Cash flows from operating activities:
Net income (loss)	24,684	(24,368)	5,593
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization and other	119,904	114,575	104,045
Share-based compensation expense	5,648	17,408	3,221
Bad debt expense	453	1,064	1,447
Change in fair value of derivative financial instruments	(10,796)	7,667	856
Changes in operating assets and liabilities:
Receivables and other assets, net	(15,931)	(4,765)	(2,964)
Accounts payable and accrued liabilities	14,789	2,684	295
Security deposits, prepaid rent and other liabilities	9,073	2,520	(686)
Net cash provided by operating activities	147,824	116,785	111,807
Cash flows from investing activities:
Acquisition of real estate operating properties and other assets	(340,307)	(257,386)	(61,385)
Capital expenditures	(25,382)	(22,909)	(16,034)
Issuance of real estate notes receivable	(8,520)	0	0
Restricted cash, escrow deposits and notes receivable	(491)	(4,830)	(4,502)
Release of restricted cash	0	580	14,463
Real estate deposits paid	0	(3,810)	(4,500)
Real estate deposits used	0	4,810	6,000
Net cash used in investing activities	(374,700)	(283,545)	(65,958)
Cash flows from financing activities:
Proceeds from unsecured senior notes	297,558	0	0
Borrowings on unsecured revolving credit facility	158,000	360,000	0
Payments on unsecured revolving credit facility	(175,000)	(288,000)	(7,000)
Borrowings on unsecured term loans	0	455,000	0
Borrowings on secured real estate term loan and mortgage loans	0	0	125,500
Payments on secured real estate term loan and mortgage loans	(156,963)	(128,601)	(192,083)
Deferred financing costs	(3,651)	(6,436)	(3,401)
Derivative financial instrument termination payments	(1,195)	0	0
Security deposits	1,225	765	596
Proceeds from issuance of general partner units, net	240,657	0	214,641
Repurchase and cancellation of general partner units	(522)	(182,602)	(37,680)
Payment of offering costs	0	(2,884)	(21,137)
Distributions to general partner	(129,360)	(93,273)	(84,800)
Payment on earnout liability	(92)	(328)	0
Distributions to limited partners and redeemable noncontrolling interests	(1,656)	(416)	(264)
Net cash provided by (used in) financing activities	229,001	113,225	(5,628)
Net change in cash and cash equivalents	2,125	(53,535)	40,221
Cash and cash equivalents - beginning of period	15,956	69,491	29,270
Cash and cash equivalents - end of period	$ 18,081	$ 15,956	$ 69,491