Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Assets:
Land	$ 637,656	$ 592,080
Buildings and improvements, less accumulated depreciation of $766,163 and $707,314 as of September 30, 2011 and December 31, 2010, respectively	2,955,186	2,779,652
Intangible lease assets, less accumulated amortization of $118,574 and $125,193 as of September 30, 2011 and December 31, 2010, respectively	88,047	68,227
Construction in progress	16,853	8,591
Real estate assets held for sale, net	228,896	228,278
Total real estate assets	3,926,638	3,676,828
Investments in unconsolidated joint ventures	38,391	42,018
Cash and cash equivalents	16,128	56,718
Tenant receivables, net of allowance for doubtful accounts of $809 and $1,298 as of September 30, 2011 and December 31, 2010, respectively	131,094	123,269
Notes receivable		61,144
Due from unconsolidated joint ventures	643	1,158
Restricted cash and escrows	36,300	814
Prepaid expenses and other assets	13,978	11,249
Goodwill	180,097	180,097
Deferred financing costs, less accumulated amortization of $8,611 and $11,740 as of September 30, 2011 and December 31, 2010, respectively	4,739	5,240
Deferred lease costs, less accumulated amortization of $115,633 and $111,671 as of September 30, 2011 and December 31, 2010, respectively	217,757	165,001
Other assets held for sale	47,353	49,944
Total assets	4,613,118	4,373,480
Liabilities:
Line of credit and notes payable	1,544,525	1,282,525
Accounts payable, accrued expenses, and accrued capital expenditures	143,106	112,648
Deferred income	32,514	35,203
Intangible lease liabilities, less accumulated amortization of $65,496 and $60,850 as of September 30, 2011 and December 31, 2010, respectively	51,599	42,005
Interest rate swap		691
Notes payable and other liabilities held for sale	124,451	126,954
Total liabilities	1,896,195	1,600,026
Commitments and Contingencies
Stockholders' Equity:
Shares-in-trust, 150,000,000 shares authorized; none outstanding as of September 30, 2011 or December 31, 2010	0	0
Preferred stock, no par value, 100,000,000 shares authorized; none outstanding as of September 30, 2011 or December 31, 2010	0	0
Common stock, $.01 par value, 750,000,000 shares authorized; 172,826,991 and 172,658,489 shares issued and outstanding as of September 30, 2011 and December 31, 2010, respectively (Note 12)	1,728	1,727
Additional paid-in capital	3,663,155	3,661,308
Cumulative distributions in excess of earnings	(952,370)	(895,122)
Other comprehensive loss	0	(691)
Piedmont stockholders' equity	2,712,513	2,767,222
Noncontrolling interest	1,613	1,609
Noncontrolling interest held for sale	2,797	4,623
Total stockholders' equity	2,716,923	2,773,454
Total liabilities and stockholders' equity	$ 4,613,118	$ 4,373,480