CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets:
Land	$ 669,848	$ 676,091
Buildings and improvements, less accumulated depreciation of $944,573 and $889,857 as of December 31, 2016 and December 31, 2015, respectively	2,927,324	2,837,463
Intangible lease assets, less accumulated amortization of $109,152 and $93,012 as of December 31, 2016 and December 31, 2015, respectively	99,695	84,663
Construction in progress	34,825	20,975
Real estate assets held for sale, net	0	76,614
Total real estate assets	3,731,692	3,695,806
Investment in and amounts due from unconsolidated joint venture	7,360	7,577
Cash and cash equivalents	6,992	5,441
Tenant receivables, net of allowance for doubtful accounts of $197 and $83 as of December 31, 2016 and December 31, 2015, respectively	26,494	26,339
Straight-line rent receivables	165,848	147,393
Notes receivable	0	45,400
Restricted cash and escrows	1,212	5,174
Prepaid expenses and other assets	23,655	24,777
Goodwill	180,097	180,097
Deferred lease costs, less accumulated amortization of $178,468 and $146,700 as of December 31, 2016 and December 31, 2015, respectively	305,997	288,041
Other assets held for sale, net	0	8,490
Total assets	4,449,347	4,434,535
Liabilities:
Unsecured debt, net of discount and unamortized debt issuance costs of $10,269 and $12,779 as of December 31, 2016 and December 31, 2015, respectively	1,687,731	1,528,221
Secured debt, net of premiums and unamortized debt issuance costs of $1,161 and $1,319 as of December 31, 2016 and December 31, 2015, respectively	332,744	501,289
Accounts payable, accrued expenses, dividends payable, and accrued capital expenditures	165,410	128,465
Deferred income	28,406	27,270
Intangible lease liabilities, less accumulated amortization of $49,225 and $42,315 as of December 31, 2016 and December 31, 2015, respectively	48,005	42,853
Interest rate swaps	8,169	9,993
Total liabilities	2,270,465	2,238,091
Commitments and Contingencies	0	0
Stockholders' Equity:
Shares-in-trust, 150,000,000 shares authorized, none outstanding as of December 31, 2016 or December 31, 2015	0	0
Preferred stock, no par value, 100,000,000 shares authorized, none outstanding as of December 31, 2016 or December 31, 2015	0	0
Common stock, $.01 par value; 750,000,000 shares authorized, 145,235,313 shares issued and outstanding as of December 31, 2016; and 145,511,644 shares issued and outstanding at December 31, 2015	1,452	1,455
Additional paid-in capital	3,673,128	3,669,977
Cumulative distributions in excess of earnings	(1,499,684)	(1,477,674)
Other comprehensive income	2,104	1,661
Piedmont stockholders’ equity	2,177,000	2,195,419
Noncontrolling interest	1,882	1,025
Total stockholders’ equity	2,178,882	2,196,444
Total liabilities and stockholders’ equity	$ 4,449,347	$ 4,434,535