CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets:
Land	$ 685,850	$ 674,554
Buildings and improvements, less accumulated depreciation of $922,019 and $889,997 as of December 31, 2015 and December 31, 2014, respectively	2,904,303	2,741,583
Intangible lease assets, less accumulated amortization of $93,012 and $79,860 as of December 31, 2015 and December 31, 2014, respectively	84,663	70,177
Construction in progress	20,990	61,891
Real estate assets held for sale, net	0	526,887
Total real estate assets	3,695,806	4,075,092
Investments in and amounts due from unconsolidated joint ventures	7,577	7,798
Cash and cash equivalents	5,441	12,306
Tenant receivables, net of allowance for doubtful accounts of $83 and $231 as of December 31, 2015 and December 31, 2014, respectively	26,339	27,711
Straight-line rent receivables	152,122	146,836
Notes receivable	45,400	0
Restricted cash and escrows	5,174	5,679
Prepaid expenses and other assets	24,843	25,656
Goodwill	180,097	180,097
Interest rate swaps	0	430
Deferred lease costs, less accumulated amortization of $147,862 and $129,601 as of December 31, 2015 and December 31, 2014, respectively	291,736	228,953
Other assets held for sale, net	0	77,276
Total assets	4,434,535	4,787,834
Liabilities:
Unsecured debt, net of discount and unamortized debt issuance costs of $12,779 and $12,698 as of December 31, 2015 and December 31, 2014, respectively	1,528,221	1,821,302
Secured debt, net of premiums and unamortized debt issuance costs of $1,319 and $2,833 as of December 31, 2015 and December 31, 2014, respectively	501,289	448,620
Accounts payable, accrued expenses, and accrued capital expenditures	128,465	133,988
Deferred income	27,270	22,215
Intangible lease liabilities, less accumulated amortization of $42,315 and $35,628 as of December 31, 2015 and December 31, 2014, respectively	42,853	42,560
Interest rate swaps	9,993	6,417
Other liabilities held for sale, net	0	717
Total liabilities	2,238,091	2,475,819
Commitments and Contingencies	0	0
Stockholders' Equity:
Shares-in-trust, 150,000,000 shares authorized, none outstanding as of December 31, 2015 or December 31, 2014	0	0
Preferred stock, no par value, 100,000,000 shares authorized, none outstanding as of December 31, 2015 or December 31, 2014	0	0
Common stock, $.01 par value; 750,000,000 shares authorized, 145,511,644 shares issued and outstanding as of December 31, 2015; and 154,324,089 shares issued and outstanding at December 31, 2014	1,455	1,543
Additional paid-in capital	3,669,977	3,666,182
Cumulative distributions in excess of earnings	(1,477,674)	(1,365,620)
Other comprehensive income	1,661	8,301
Piedmont stockholders’ equity	2,195,419	2,310,406
Noncontrolling interest	1,025	1,609
Total stockholders’ equity	2,196,444	2,312,015
Total liabilities and stockholders’ equity	$ 4,434,535	$ 4,787,834