Investments - Additional Information (Details)
$ in Thousands |
1 Months Ended |
12 Months Ended |
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Sep. 30, 2017
USD ($)
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Dec. 31, 2019
USD ($)
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Dec. 31, 2018
USD ($)
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Dec. 31, 2017
USD ($)
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Dec. 31, 2019
EUR (€)
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Feb. 29, 2016
USD ($)
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May 31, 2014
EUR (€)
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| Equity method investment |
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| Other-than-temporary impairment charge |
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$ 10,471
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| Synchronicity Pharma Inc |
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| Equity method investment |
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| Carrying value of equity investment |
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$ 15,000
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| Increase (decrease) in carrying value of investment of the entity, which represents the Company's share of investee's net gains (losses) |
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(2,800)
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| Synchronicity Pharma Inc | Investee |
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| Equity method investment |
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| Other-than-temporary impairment charge |
$ 10,500
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| Fountain Healthcare Partners II, LP of Ireland |
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| Equity method investment |
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| Increase (decrease) in carrying value of investment of the entity, which represents the Company's share of investee's net gains (losses) |
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$ (400)
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$ 500
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$ (100)
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| Funding commitment as percentage of partnership's total funding |
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7.00%
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7.00%
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| Fountain Healthcare Partners II, LP of Ireland | Maximum |
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| Equity method investment |
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| Maximum commitment on equity method investment | € |
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€ 7,400,000
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| Fountain Healthcare Partners II, LP of Ireland | Other Assets |
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| Equity method investment |
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| Carrying value of equity investment |
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$ 5,900
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$ 5,500
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| Total equity method commitment | € |
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€ 6,000,000.0
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