Segment Information - Reconciliation of GAAP Net Income to NOI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting [Abstract]
Net loss applicable to Piedmont	$ (27,763)	$ (1,367)
Management fee revenue	5	(293)
Depreciation and amortization	56,989	57,828
Impairment charges	18,432	0
General and administrative expenses	7,612	7,691
Interest expense	29,714	22,077
Other income	(171)	(1,440)
Loss on early extinguishment of debt	(386)	0
Net income applicable to noncontrolling interest	2	3
Total NOI	$ 85,206	$ 84,499