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Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Supplemental disclosure: |  |  |
Capitalized interest | $ 12,835 | $ 12,150 | $ 6,802
BRANDYWINE OPERATING PARTNERSHIP, L.P. |  |  |
Supplemental disclosure: |  |  |
Capitalized interest | $ 12,835 | $ 12,150 | $ 6,802

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