Fair Value Measurements - Changes in Fair Value of Financial Instruments (Details) $ in Thousands |
9 Months Ended |
|---|---|
|
Sep. 30, 2019
USD ($)
| |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |
| Balance | $ 11,193 |
| Caelum [Member] | |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |
| Balance | 10,905 |
| Balance | 11,193 |
| Caelum Convertible Notes [Member] | Caelum [Member] | |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |
| Balance | 9,914 |
| Conversion of the convertible notes | (9,914) |
| Balance | $ 0 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|