Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets:
Land	$ 656,240	$ 676,091
Buildings and improvements, less accumulated depreciation of $919,863 and $889,857 as of June 30, 2016 and December 31, 2015, respectively	2,780,501	2,837,463
Intangible lease assets, less accumulated amortization of $95,908 and $93,012 as of June 30, 2016 and December 31, 2015, respectively	71,794	84,663
Construction in progress	25,187	20,975
Real estate assets held for sale, net	69,766	76,614
Total real estate assets	3,603,488	3,695,806
Investments in and amounts due from unconsolidated joint ventures	7,413	7,577
Cash and cash equivalents	21,109	5,441
Tenant receivables, net of allowance for doubtful accounts of $141 and $83 as of June 30, 2016 and December 31, 2015, respectively	21,338	26,339
Straight-line rent receivables	154,627	147,393
Note receivable	0	45,400
Restricted cash and escrows	10,595	5,174
Prepaid expenses and other assets	29,731	24,777
Goodwill	180,097	180,097
Deferred lease costs, less accumulated amortization of $157,609 and $146,700 as of June 30, 2016 and December 31, 2015, respectively	261,340	288,041
Other assets held for sale, net	8,761	8,490
Total assets	4,298,499	4,434,535
Liabilities:
Unsecured debt, net of discount and unamortized debt issuance costs of $11,551 and $12,779 as of June 30, 2016 and December 31, 2015, respectively	1,508,449	1,528,221
Secured debt, net of premiums and unamortized debt issuance costs of $1,249 and $1,319 as of June 30, 2016 and December 31, 2015, respectively	375,865	501,289
Accounts payable, accrued expenses, and accrued capital expenditures	122,387	128,465
Deferred income	24,036	27,270
Intangible lease liabilities, less accumulated amortization of $45,130 and $42,315 as of June 30, 2016 and December 31, 2015, respectively	38,970	42,853
Interest rate swaps	22,079	9,993
Total liabilities	2,091,786	2,238,091
Commitments and Contingencies	0	0
Stockholders’ Equity:
Shares-in-trust, 150,000,000 shares authorized; none outstanding as of June 30, 2016 or December 31, 2015	0	0
Preferred stock, no par value, 100,000,000 shares authorized; none outstanding as of June 30, 2016 or December 31, 2015	0	0
Common stock, $.01 par value, 750,000,000 shares authorized; 145,229,642 and 145,511,644 shares issued and outstanding as of June 30, 2016 and December 31, 2015, respectively	1,452	1,455
Additional paid-in capital	3,671,475	3,669,977
Cumulative distributions in excess of earnings	(1,456,129)	(1,477,674)
Other comprehensive income/(loss)	(11,110)	1,661
Piedmont stockholders’ equity	2,205,688	2,195,419
Noncontrolling interest	1,025	1,025
Total stockholders’ equity	2,206,713	2,196,444
Total liabilities and stockholders’ equity	$ 4,298,499	$ 4,434,535