CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Assets:
Land	$ 507,422	$ 490,625
Buildings and improvements, less accumulated depreciation of $772,093 and $683,770 as of December 31, 2018 and December 31, 2017, respectively	2,305,096	2,243,519
Intangible lease assets, less accumulated amortization of $87,391 and $99,145 as of December 31, 2018 and December 31, 2017, respectively	77,676	77,805
Construction in progress	15,848	11,344
Real estate assets held for sale, net	110,552	561,449
Total real estate assets	3,016,594	3,384,742
Investment in and amounts due from unconsolidated joint venture	0	10
Cash and cash equivalents	4,571	7,382
Tenant receivables, net of allowance for doubtful accounts of $504 and $539 as of December 31, 2018 and December 31, 2017, respectively	10,800	12,139
Straight-line rent receivables	162,589	144,469
Restricted cash and escrows	1,463	1,373
Prepaid expenses and other assets	25,356	20,778
Goodwill	98,918	98,918
Interest rate swaps	1,199	688
Deferred lease costs, less accumulated amortization of $183,611 and $180,120 as of December 31, 2018 and December 31, 2017, respectively	250,148	245,175
Other assets held for sale, net	20,791	84,293
Total assets	3,592,429	3,999,967
Liabilities:
Unsecured debt, net of discount and unamortized debt issuance costs of $9,879 and $7,689 as of December 31, 2018 and December 31, 2017, respectively	1,495,121	1,535,311
Secured debt, net of premiums and unamortized debt issuance costs of $645 and $946 as of December 31, 2018 and December 31, 2017, respectively	190,351	191,616
Accounts payable, accrued expenses, and accrued capital expenditures	102,519	114,853
Dividends payable	26,972	101,800
Deferred income	28,779	29,582
Intangible lease liabilities, less accumulated amortization of $59,144 and $55,847 as of December 31, 2018 and December 31, 2017, respectively	35,708	38,458
Interest rate swaps	839	1,478
Other liabilities held for sale, net	0	380
Total liabilities	1,880,289	2,013,478
Commitments and Contingencies (Note 8)	0	0
Stockholders' Equity:
Shares-in-trust, 150,000,000 shares authorized, none outstanding as of December 31, 2018 or December 31, 2017	0	0
Preferred stock, no par value, 100,000,000 shares authorized, none outstanding as of December 31, 2018 or December 31, 2017	0	0
Common stock, $.01 par value; 750,000,000 shares authorized, 126,218,554 shares issued and outstanding as of December 31, 2018; and 142,358,940 shares issued and outstanding at December 31, 2017	1,262	1,424
Additional paid-in capital	3,683,186	3,677,360
Cumulative distributions in excess of earnings	(1,982,542)	(1,702,281)
Other comprehensive income	8,462	8,164
Piedmont stockholders’ equity	1,710,368	1,984,667
Noncontrolling interest	1,772	1,822
Total stockholders’ equity	1,712,140	1,986,489
Total liabilities and stockholders’ equity	$ 3,592,429	$ 3,999,967