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Subsequent Event (Details) $ / shares in Units, $ in Thousands | 1 Months Ended |
--- | --- | ---
Jan. 31, 2016 USD ($) program platform $ / shares shares | Dec. 31, 2015 USD ($)
Subsequent Event [Line Items] |  |
Note receivable from Viking |  | $ 4,782
OMT, Inc. | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Number of transgenic animal platforms | platform | 3 |
Number of partnered programs added | program | 16 |
Cash paid for acquisition | $ 96,400 |
Value of shares issued for acquisition | $ 85,400 |
Shares issued for acquisition (shares) | shares | 793,594 |
Weighted average price of shares issued (per share) | $ / shares | $ 107.66 |
Former Chief Executive Officer | OMT, Inc. | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Aggregate value of stock options issued to former CEO of OMT, Inc. | $ 2,000 |
Aggregate value of performance stock units issued to former CEO of OMT, Inc. | 18,000 |
Secured Convertible Promissory Note |  |
Subsequent Event [Line Items] |  |
Interest rate on note due from Viking (percent) |  | 5.00%
Secured Convertible Promissory Note | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Note receivable from Viking | $ 2,500 |
Interest rate on note due from Viking (percent) | 2.50% |
Extension of lock-up period | 1 year |
Amount of loan to be repaid upon consummation of first capital financing transaction | $ 1,500 |
Amount of loan to be repaid in cash upon consummation of first capital financing transaction | $ 300 |

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