Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Assets:
Land	$ 614,934	$ 617,138
Buildings and improvements, less accumulated depreciation of $896,964 and $856,254 as of June 30, 2017 and December 31, 2016, respectively	2,742,327	2,754,106
Intangible lease assets, less accumulated amortization of $94,551 and $109,152 as of June 30, 2017 and December 31, 2016, respectively	84,989	99,695
Construction in progress	15,651	34,814
Real estate assets held for sale, net	225,071	225,939
Total real estate assets	3,682,972	3,731,692
Investments in and amounts due from unconsolidated joint ventures	7,762	7,360
Cash and cash equivalents	9,596	6,992
Tenant receivables, net of allowance for doubtful accounts of $587 and $197 as of June 30, 2017 and December 31, 2016, respectively	24,269	26,494
Straight-line rent receivables	177,463	163,789
Restricted cash and escrows	1,290	1,212
Prepaid expenses and other assets	29,454	23,201
Goodwill	98,918	98,918
Deferred lease costs, less accumulated amortization of $187,122 and $175,643 as of June 30, 2017 and December 31, 2016, respectively	278,366	298,695
Other assets held for sale, net	10,222	9,815
Total assets	4,320,312	4,368,168
Liabilities:
Unsecured debt, net of discount and unamortized debt issuance costs of $9,014 and $10,269 as of June 30, 2017 and December 31, 2016, respectively	1,720,986	1,687,731
Secured debt, net of premiums and unamortized debt issuance costs of $1,063 and $1,161 as of June 30, 2017 and December 31, 2016, respectively	332,196	332,744
Accounts payable, accrued expenses, and accrued capital expenditures	111,011	165,410
Deferred income	27,416	28,406
Intangible lease liabilities, less accumulated amortization of $52,751 and $49,225 as of June 30, 2017 and December 31, 2016, respectively	43,328	48,005
Interest rate swaps	5,061	8,169
Total liabilities	2,239,998	2,270,465
Commitments and Contingencies	0	0
Stockholders’ Equity:
Shares-in-trust, 150,000,000 shares authorized; none outstanding as of June 30, 2017 or December 31, 2016	0	0
Preferred stock, no par value, 100,000,000 shares authorized; none outstanding as of June 30, 2017 or December 31, 2016	0	0
Common stock, $.01 par value, 750,000,000 shares authorized; 145,489,845 and 145,235,313 shares issued and outstanding as of June 30, 2017 and December 31, 2016, respectively	1,455	1,452
Additional paid-in capital	3,675,562	3,673,128
Cumulative distributions in excess of earnings	(1,603,119)	(1,580,863)
Other comprehensive income	4,547	2,104
Piedmont stockholders’ equity	2,078,445	2,095,821
Noncontrolling interest	1,869	1,882
Total stockholders’ equity	2,080,314	2,097,703
Total liabilities and stockholders’ equity	$ 4,320,312	$ 4,368,168