Earnings per common partnership unit line items.

No definition available.

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

The number of preferred units authorized to be issued.

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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- Definition

The number of preferred units outstanding.

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Partners Equity of the Operating Partnership (Textual) (Details) - USD ($) $ / shares in Units, $ in Millions			6 Months Ended
	May 23, 2018	Feb. 28, 2018	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Common Partnership Unit [Line Items]
Dividends, Common Stock			$ 32.5
Dividends payable, date to be paid	Jul. 20, 2018
Dividends payable, date of record	Jul. 06, 2018
Dividend Declared [Member]
Earnings Per Common Partnership Unit [Line Items]
Dividends Payable, Amount Per Share	$ 0.18
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Earnings Per Common Partnership Unit [Line Items]
Dividends, Common Stock		$ 32.5
Dividends payable, date to be paid		Jul. 20, 2018
Dividends payable, date of record		Jul. 06, 2018
Preferred units authorized			20,000,000	20,000,000
Preferred units outstanding			0	0
BRANDYWINE OPERATING PARTNERSHIP, L.P. \| Dividend Declared [Member]
Earnings Per Common Partnership Unit [Line Items]
Dividends Payable, Amount Per Share		$ 0.18