CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues:
Rental income	$ 468,872	$ 454,635	$ 443,106
Tenant reimbursements	113,881	109,548	104,253
Property management fee revenue	2,016	2,069	2,251
Total revenues	584,769	566,252	549,610
Expenses:
Property operating costs	242,000	239,436	220,779
Depreciation	134,503	138,596	120,980
Amortization	60,886	56,579	45,090
Impairment loss on real estate assets	40,169	0	0
General and administrative	30,368	23,820	21,881
Operating Expenses	507,926	458,431	408,730
Real estate operating income	76,843	107,821	140,880
Other income (expense):
Interest expense	(73,998)	(74,446)	(73,583)
Other income/(expense)	1,565	62	(2,336)
Net recoveries/(loss) from casualty events and litigation settlements	(278)	6,992	11,811
Equity in income/(loss) of unconsolidated joint ventures	553	(350)	(3,676)
Loss on consolidation	0	0	(898)
Nonoperating Income (Expense)	(72,158)	(67,742)	(68,682)
Income from continuing operations	4,685	40,079	72,198
Discontinued operations:
Operating income	84	954	2,897
Impairment loss on real estate assets	0	0	(7,644)
Gain/(loss) on sale of real estate assets	(1)	1,198	31,292
Income from discontinued operations	83	2,152	26,545
Gain on sale of real estate assets	168,237	1,132	0
Net income	173,005	43,363	98,743
Less: Net income attributable to noncontrolling interest	(15)	(15)	(15)
Net income attributable to Piedmont	$ 172,990	$ 43,348	$ 98,728
Per share information— basic and diluted:
Income from continuing operations and gain on sale of real estate assets (in dollars per share)	$ 1.15	$ 0.27	$ 0.44
Income from discontinued operations (in dollars per share)	0.00	0.01	0.16
Net income available to common stockholders (in dollars per share)	$ 1.15	$ 0.28	$ 0.60
Weighted-average shares outstanding - basic (in shares)	150,537,757	154,452,121	165,012,713
Weighted-average shares outstanding - diluted (in shares)	150,880,116	154,585,273	165,137,482