CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common  Stock	Additional Paid-In Capital	Cumulative Distributions in Excess of Earnings	Accumulated Other Comprehensive Income/(Loss)	Non- controlling Interest
Beginning balance (in shares) at Dec. 31, 2021		123,077,000
Beginning balance at Dec. 31, 2021	$ 1,787,423	$ 1,231	$ 3,701,798	$ (1,899,081)	$ (18,154)	$ 1,629
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends to common stockholders and stockholders of subsidiaries	(25,905)			(25,899)		(6)
Shares issued and amortized under the 2007 Omnibus Incentive Plan, net of tax (in shares)		254,000
Shares issued and amortized under the 2007 Omnibus Incentive Plan, net of tax	4,411	$ 2	4,409
Net income applicable to noncontrolling interest	0
Net income/(loss) applicable to Piedmont	59,964			59,964
Other comprehensive loss	4,581				4,581
Ending balance (in shares) at Mar. 31, 2022		123,331,000
Ending balance at Mar. 31, 2022	$ 1,830,474	$ 1,233	3,706,207	(1,865,016)	(13,573)	1,623
Beginning balance (in shares) at Dec. 31, 2022	123,439,558	123,440,000
Beginning balance at Dec. 31, 2022	$ 1,849,255	$ 1,234	3,711,005	(1,855,893)	(8,679)	1,588
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends to common stockholders and stockholders of subsidiaries	(25,971)			(25,965)		(6)
Shares issued and amortized under the 2007 Omnibus Incentive Plan, net of tax (in shares)		203,000
Shares issued and amortized under the 2007 Omnibus Incentive Plan, net of tax	(236)	$ 2	(238)
Net income applicable to noncontrolling interest	3					3
Net income/(loss) applicable to Piedmont	(1,367)			(1,367)
Other comprehensive loss	$ (1,587)				(1,587)
Ending balance (in shares) at Mar. 31, 2023	123,642,953	123,643,000
Ending balance at Mar. 31, 2023	$ 1,820,097	$ 1,236	$ 3,710,767	$ (1,883,225)	$ (10,266)	$ 1,585