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v3.19.3

Lines of Credit and Long-Term Debt - Long-Term Debt - Additional Information (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jul. 31, 2018 USD ($) day $ / shares | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt divested from deconsolidation |  |  |  | $ 4,030,000 |  | $ 4,030,000 |
Proceeds from long-term debt, net of issuance costs |  |  |  |  |  | 376,000 | $ 194,000,000
Equity component of convertible debt, net of issuance costs and deferred taxes |  |  |  |  | $ 36,868,000 |  | 36,868,000
Deferred income taxes |  |  |  | 467,000 | 14,246,000 | 1,448,000 | 19,335,000
Accrued interest |  |  |  | 1,750,000 |  | 1,750,000 |
Long-term debt issued to a related party in an asset acquisition |  |  |  |  |  | 0 | 30,000,000
Interest expense |  |  |  | 4,471,000 | $ 3,999,000 | 13,140,000 | $ 4,240,000
Long-term debt | $ 211,794,000 |  |  | 215,467,000 |  | 215,467,000 |
Convertible debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt | 203,391,000 |  |  | 211,037,000 |  | 211,037,000 |
Notes payable |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt | 4,551,000 |  |  | 4,204,000 |  | 4,204,000 |
ActoBio Therapeutics Inc. | Convertible debt | Harvest Intrexon Enterprise Fund I, LP |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  | 3.00% |  |  | 3.00% |  | 3.00%
Interest expense |  |  |  | 232,000 | $ 60,000 | 684,000 | $ 60,000
Long-term debt |  |  |  | $ 30,974,000 |  | $ 30,974,000 |
Trans Ova Genetics, LC | Notes payable | American State Bank |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  | 3.95% |  | 3.95% |
Long-term debt |  |  |  | $ 4,180,000 |  | $ 4,180,000 |
Debt instrument, periodic payment |  |  |  |  |  | 39,000 |
Harvest Intrexon Enterprise Fund I, LP | ActoBio Therapeutics Inc. |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt issued to a related party in an asset acquisition |  | $ 30,000,000 |  |  |  |  |
3.5% Convertible Notes Due 2023 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 200,000,000 | $ 200,000,000 |  | $ 200,000,000 |
Proceeds from long-term debt, net of issuance costs |  |  | 193,958,000 |  |  |  |
Debt issuance costs |  |  | $ 6,042,000 |  |  |  |
Debt instrument, interest rate, stated percentage |  |  | 3.50% | 3.50% |  | 3.50% |
Conversion rate |  |  | 58.6622 |  |  |  |
Principal amount used in conversion |  |  | $ 1,000 |  |  |  |
Conversion price (in usd per share) | $ / shares |  |  | $ 17.05 |  |  |  |
Debt instrument redemption price, percentage |  |  | 100.00% |  |  |  |
Carrying value of convertible debt | 148,101,000 |  | $ 143,723,000 | $ 155,063,000 |  | $ 155,063,000 |
Equity component of convertible debt, net of issuance costs and deferred taxes |  |  | 50,235,000 |  |  |  |
Deferred income taxes |  |  | $ 13,367,000 |  | $ 13,367,000 |  |
Effective interest rate on convertible notes |  |  |  | 11.02% |  | 11.02% |
Convertible notes, unamortized discount and issuance costs |  |  |  | $ 44,937,000 |  | $ 44,937,000 |
3.5% Convertible Notes Due 2023 | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Common stock price trading days | day |  |  | 20 |  |  |  |
Common stock price consecutive trading days | day |  |  | 30 |  |  |  |
Percentage of common share price over conversion price for conversion |  |  | 130.00% |  |  |  |
3.5% Convertible Notes Due 2023 | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Common stock price trading days | day |  |  | 5 |  |  |  |
Common stock price consecutive trading days | day |  |  | 5 |  |  |  |
Debt instrument redemption price, percentage |  |  | 98.00% |  |  |  |
Merck Convertible Note |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate principal amount | $ 25,000,000 |  |  |  |  |  |
Conversion rate upon IPO | 0.90 |  |  |  |  |  |
Interest rate applicable to IPO conversion event | 0.05 |  |  |  |  |  |

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