Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Real estate investments:
Land	$ 195,115	$ 183,651
Building and improvements	2,215,513	2,044,113
Lease intangibles	386,801	352,884
Property held for sale, net	21,138	0
Real estate investments, gross	2,818,567	2,580,648
Accumulated depreciation and amortization	(415,615)	(349,118)
Real estate investments, net	2,402,952	2,231,530
Real estate notes receivable	28,520	20,000
Cash and cash equivalents	82,181	15,956
Restricted cash and escrow deposits	20,068	17,623
Receivables and other assets, net	104,996	84,970
Other intangibles, net	41,794	44,011
Non-real estate assets of property held for sale, net	1,009	0
Total assets	2,681,520	2,414,090
Liabilities:
Debt, net	1,125,792	1,037,359
Accounts payable and accrued liabilities	86,795	63,443
Derivative financial instruments - interest rate swaps	3,258	9,370
Security deposits, prepaid rent and other liabilities	32,327	24,450
Intangible liabilities, net	11,262	11,309
Total liabilities	1,259,434	1,145,931
Commitments and contingencies
Redeemable noncontrolling interest of limited partners	3,375	3,564
Equity/Partners' Capital:
Preferred stock, $0.01 par value; 200,000,000 shares authorized; none issued and outstanding	0	0
Additional paid-in capital	2,115,596	1,885,836
Cumulative dividends in excess of earnings	(712,148)	(633,717)
Total stockholders’ equity	1,405,806	1,254,266
Noncontrolling interest	12,905	10,329
Total equity	1,418,711	1,264,595
Total liabilities and equity/partners' capital	2,681,520	2,414,090
Class A
Equity/Partners' Capital:
Common stock, $0.01 par value	1,785	1,001
Class B
Equity/Partners' Capital:
Common stock, $0.01 par value	573	1,146
Healthcare Trust of America Holdings, LP (HTALP)
Real estate investments:
Land	195,115	183,651
Building and improvements	2,215,513	2,044,113
Lease intangibles	386,801	352,884
Property held for sale, net	21,138	0
Real estate investments, gross	2,818,567	2,580,648
Accumulated depreciation and amortization	(415,615)	(349,118)
Real estate investments, net	2,402,952	2,231,530
Real estate notes receivable	28,520	20,000
Cash and cash equivalents	82,181	15,956
Restricted cash and escrow deposits	20,068	17,623
Receivables and other assets, net	104,996	84,970
Other intangibles, net	41,794	44,011
Non-real estate assets of property held for sale, net	1,009	0
Total assets	2,681,520	2,414,090
Liabilities:
Debt, net	1,125,792	1,037,359
Accounts payable and accrued liabilities	86,795	63,443
Derivative financial instruments - interest rate swaps	3,258	9,370
Security deposits, prepaid rent and other liabilities	32,327	24,450
Intangible liabilities, net	11,262	11,309
Total liabilities	1,259,434	1,145,931
Commitments and contingencies
Redeemable noncontrolling interest of limited partners	1,807	1,960
Equity/Partners' Capital:
Limited partners’ capital, 3,053,618 and 3,055,718 units issued and outstanding as of September 30, 2013 and December 31, 2012, respectively	14,203	11,663
General partners’ capital, 235,743,189 and 214,652,641 units issued and outstanding as of September 30, 2013 and December 31, 2012, respectively	1,406,076	1,254,536
Total partners’ capital	1,420,279	1,266,199
Total liabilities and equity/partners' capital	$ 2,681,520	$ 2,414,090