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Consolidated Statements of Partners' Equity - USD ($) $ in Thousands | Total | BRANDYWINE OPERATING PARTNERSHIP, L.P. | General Partner Capital [Member] BRANDYWINE OPERATING PARTNERSHIP, L.P. | Series E-linked Preferred Stock [Member] BRANDYWINE OPERATING PARTNERSHIP, L.P. | Accumulated Other Comprehensive Loss [Member] | Accumulated Other Comprehensive Loss [Member] BRANDYWINE OPERATING PARTNERSHIP, L.P. | Noncontrolling Interest [Member] | Noncontrolling Interest [Member] BRANDYWINE OPERATING PARTNERSHIP, L.P.
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2015 |  | $ 1,929,977 | $ 1,836,692 | $ 96,850 |  | $ (5,597) |  | $ 2,032
Beginning Balance, Shares at Dec. 31, 2015 |  |  | 174,688,568 | 4,000,000 |  |  |  |
Net income | $ 44,987 | 44,987 | $ 44,981 |  |  |  | $ 367 | 6
Other comprehensive income (loss) | (12,686) | (12,686) |  |  | $ (12,577) | (12,686) | (109) |
Share Issuance from/(to) Deferred Compensation Plan | (46) | (46) | $ (46) |  |  |  |  |
Share Issuance from/(to) Deferred Compensation Plan, Shares |  |  | (8,252) |  |  |  |  |
Issuance of partnership interest in consolidated real estate venture | 54 | 54 |  |  |  |  | 54 | 54
Conversion of LP Units to Common Shares |  | 875 | $ 875 |  |  |  | (875) |
Conversion of LP Units to Common Shares, Shares |  |  | 55,303 |  |  |  |  |
Share-based compensation activity | 3,615 | 3,615 | $ 3,615 |  |  |  |  |
Share-based compensation activity, Shares |  |  | 365,414 |  |  |  |  |
Adjustment of redeemable partnership units to liquidation value at period end |  | (2,450) | $ (2,450) |  |  |  |  |
Redemption value of limited partnership units |  | (875) | (875) |  |  |  |  |
Distribution to preferred shareholders | (3,450) | (3,450) | (3,450) |  |  |  |  |
Preferred Mirror Units redemption charge | 0 | 0 |  |  |  |  |  |
Distributions to general partnership unitholders |  | (54,272) | (54,272) |  |  |  |  |
Ending Balance at Jun. 30, 2016 |  | 1,905,729 | $ 1,825,070 | $ 96,850 |  | (18,283) |  | 2,092
Ending Balance, Shares at Jun. 30, 2016 |  |  | 175,101,033 | 4,000,000 |  |  |  |
Beginning Balance at Dec. 31, 2016 |  | 1,859,642 | $ 1,762,764 | $ 96,850 |  | (2,122) |  | 2,150
Beginning Balance, Shares at Dec. 31, 2016 |  |  | 175,140,760 | 4,000,000 |  |  |  |
Net income | 28,969 | 28,969 | $ 28,956 |  |  |  | 214 | 13
Other comprehensive income (loss) | 220 | 220 |  |  | $ 217 | 220 | 3 |
Redemption of Preferred Mirror Units |  | (96,850) |  | $ (96,850) |  |  |  |
Redemption of Preferred Mirror Units, Shares |  |  |  | (4,000,000) |  |  |  |
Share Issuance from/(to) Deferred Compensation Plan | (48) | (48) | $ (48) |  |  |  |  |
Share Issuance from/(to) Deferred Compensation Plan, Shares |  |  | (1,718) |  |  |  |  |
Issuance of LP Units |  | (491) | $ (491) |  |  |  |  |
Issuance of partnership interest in consolidated real estate venture | 33 | 33 |  |  |  |  | $ 33 | 33
Share Choice Plan Issuance, Shares |  |  | (1,423) |  |  |  |  |
Bonus share issuance | 110 | 110 | $ 110 |  |  |  |  |
Bonus share issuance, Shares |  |  | 6,752 |  |  |  |  |
Share-based compensation activity | 4,344 | 4,344 | $ 4,344 |  |  |  |  |
Share-based compensation activity, Shares |  |  | 245,444 |  |  |  |  |
Adjustment of redeemable partnership units to liquidation value at period end |  | (2,605) | $ (2,605) |  |  |  |  |
Distribution to preferred shareholders | (2,032) | (2,032) | (2,032) |  |  |  |  |
Preferred Mirror Units redemption charge | $ (3,181) | (3,181) | (3,181) |  |  |  |  |
Distributions to general partnership unitholders |  | (56,314) | (56,314) |  |  |  |  |
Ending Balance at Jun. 30, 2017 |  | $ 1,731,797 | $ 1,731,503 |  |  | $ (1,902) |  | $ 2,196
Ending Balance, Shares at Jun. 30, 2017 |  |  | 175,389,815 |  |  |  |  |

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