Property Dispositions - Property Dispositions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales Proceeds	$ 31,351	$ 74,892	$ 1,946
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain/(Loss) on Sale of Real Estate Assets			$ 1,900
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| One Lincoln Park
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain/(Loss) on Sale of Real Estate Assets		0
Net Sales Proceeds		53,308
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| 750 West John Carpenter Freeway
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain/(Loss) on Sale of Real Estate Assets	700	(445)
Net Sales Proceeds		$ 21,584
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| 161 Corporate Center
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain/(Loss) on Sale of Real Estate Assets	108
Net Sales Proceeds	4,980
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| 80 and 90 Central Street
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain/(Loss) on Sale of Real Estate Assets	1,224
Net Sales Proceeds	$ 25,690

Piedmont Realty Trust, Inc. 10-K