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Shareholders' Equity - Dividend to Shareholders (Details) $ / shares in Units, $ in Thousands | 1 Months Ended
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Jun. 30, 2015 USD ($) $ / shares shares
Intrexon Stock Option Plans |
Class of Stock [Line Items] |
Adjustment due to dividend (in shares) | 312,795
Adjustment due to dividend (in usd per share) | $ / shares | $ 25.40
ZIOPHARM Oncology, Inc. |
Class of Stock [Line Items] |
Noncash dividend, shares | 17,830,305
Realized investment gains | $ | $ 81,401

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