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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. | Partners Equity [Member] BRANDYWINE OPERATING PARTNERSHIP, L.P.
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2013 |  | $ 1,894,949 | $ 1,800,530 | $ 96,850 |  | $ (3,377) |  | $ 946 |
Beginning Balance, Shares at Dec. 31, 2013 |  |  | 156,731,993 | 4,000,000 |  |  |  |  |
Net income (loss) | $ 6,942 | 6,942 | $ 6,942 |  |  |  | $ (33) | (44) | $ 6,898
Other comprehensive income (loss) | (1,630) | (1,630) |  |  | $ (1,612) | (1,630) | (18) |  |
Share issuance from/(to) Deferred Compensation Plan | (90) | (90) | $ (90) |  |  |  |  |  |
Share Issuance from/(to) Deferred Compensation Plan, Shares |  |  | 80,152 |  |  |  |  |  |
Issuance of LP Units |  | 334,903 | $ 334,903 |  |  |  |  |  |
Issuance of LP Units, Shares |  |  | 21,850,000 |  |  |  |  |  |
Conversion of LP Units to Common Shares |  | 3,614 | $ 3,614 |  |  |  | (3,614) |  |
Conversion of LP Units to Common Shares, Shares |  |  | 228,536 |  |  |  |  |  |
Share Choice Plan Issuance, Shares |  |  | (1,423) |  |  |  |  |  |
Share-based compensation activity | 6,847 | 6,847 | $ 6,847 |  |  |  |  |  |
Share-based compensation activity, Shares |  |  | 403,902 |  |  |  |  |  |
Adjustment of redeemable partnership units to liquidation value at period end |  | 942 | $ 942 |  |  |  |  |  |
Adjustment to non-controlling interest |  |  | (108) |  |  |  |  | 108 |
Redemption value of limited partnership units |  | (3,614) | (3,614) |  |  |  |  |  |
Distribution to preferred shareholders | (6,900) | (6,900) | (6,900) |  |  |  |  |  |
Distributions to general partnership unitholders |  | (101,164) | (101,164) |  |  |  |  |  |
Ending Balance at Dec. 31, 2014 |  | 2,134,755 | $ 2,041,902 | $ 96,850 |  | (5,007) |  | 1,010 |
Ending Balance, Shares at Dec. 31, 2014 |  |  | 179,293,160 | 4,000,000 |  |  |  |  |
Net income (loss) | (30,740) | (30,740) | $ (30,740) |  |  |  | (339) | 3 | $ (30,737)
Other comprehensive income (loss) | (590) | (590) |  |  | (585) | (590) | (5) |  |
Share issuance from/(to) Deferred Compensation Plan | (2) | (2) | $ (2) |  |  |  |  |  |
Share Issuance from/(to) Deferred Compensation Plan, Shares |  |  | 88,146 |  |  |  |  |  |
Repurchase and retirement of LP units |  | (67,430) | $ (67,430) |  |  |  |  |  |
Repurchase and retirement of LP units, Shares |  |  | (5,209,437) |  |  |  |  |  |
Issuance of partnership interest in consolidated real estate venture |  | 1,025 |  |  |  |  |  | 1,025 |
Bonus share issuance | 125 | 125 | $ 125 |  |  |  |  |  |
Bonus share issuance, Shares |  |  | 8,447 |  |  |  |  |  |
Share Choice Plan Issuance, Shares |  |  | (1,423) |  |  |  |  |  |
Share-based compensation activity | 5,097 | 5,097 | $ 5,097 |  |  |  |  |  |
Share-based compensation activity, Shares |  |  | 509,675 |  |  |  |  |  |
Adjustment of redeemable partnership units to liquidation value at period end |  | 1,533 | $ 1,533 |  |  |  |  |  |
Adjustment to non-controlling interest |  |  | 6 |  |  |  |  | (6) |
Distribution to preferred shareholders | (6,900) | (6,900) | (6,900) |  |  |  |  |  |
Distributions to general partnership unitholders |  | (106,899) | (106,899) |  |  |  |  |  |
Ending Balance at Dec. 31, 2015 |  | 1,929,977 | $ 1,836,692 | $ 96,850 |  | (5,597) |  | 2,032 |
Ending Balance, Shares at Dec. 31, 2015 |  |  | 174,688,568 | 4,000,000 |  |  |  |  |
Net income (loss) | 40,501 | 40,501 | $ 40,486 |  |  |  | 310 | 15 |
Other comprehensive income (loss) | 3,475 | 3,475 |  |  | $ 3,447 | 3,475 | 28 |  |
Share issuance from/(to) Deferred Compensation Plan | (47) | (47) | $ (47) |  |  |  |  |  |
Share Issuance from/(to) Deferred Compensation Plan, Shares |  |  | (8,311) |  |  |  |  |  |
Issuance of partnership interest in consolidated real estate venture | 108 | 109 |  |  |  |  | 108 | 109 |
Conversion of LP Units to Common Shares |  | 875 | $ 875 |  |  |  | $ (875) |  |
Conversion of LP Units to Common Shares, Shares |  |  | 55,303 |  |  |  |  |  |
Share-based compensation activity | 5,764 | 5,763 | $ 5,763 |  |  |  |  |  |
Share-based compensation activity, Shares |  |  | 405,200 |  |  |  |  |  |
Adjustment of redeemable partnership units to liquidation value at period end |  | (2,622) | $ (2,622) |  |  |  |  |  |
Adjustment to non-controlling interest |  |  | 6 |  |  |  |  | (6) |
Redemption value of limited partnership units |  | (875) | (875) |  |  |  |  |  |
Distribution to preferred shareholders | $ (6,900) | (6,900) | (6,900) |  |  |  |  |  |
Distributions to general partnership unitholders |  | (110,614) | (110,614) |  |  |  |  |  |
Ending Balance at Dec. 31, 2016 |  | $ 1,859,642 | $ 1,762,764 | $ 96,850 |  | $ (2,122) |  | $ 2,150 |
Ending Balance, Shares at Dec. 31, 2016 |  |  | 175,140,760 | 4,000,000 |  |  |  |  |

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