XML 41 R27.htm IDEA: XBRL DOCUMENT
v3.21.1

Convertible Notes (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Debt Disclosure [Abstract] |
Summary of Convertible Notes | The Convertible Notes consisted of the following:
| As of March 31, 2021 |
| 2025 Notes |  |  | 2026 Notes |
| (in thousands) |
Principal | $ | 1,000,000 |  |  | $ | 1,265,000 |
Unamortized debt issuance costs |  | (9,330 | ) |  |  | (10,467 | )
Net carrying amount | $ | 990,670 |  |  | $ | 1,254,533 |

X
- Definition Tabular disclosure of borrowings which can be exchanged for a specified number of another security at the option of the issuer or the holder. Disclosures include, but are not limited to, principal amount, amortized premium or discount, and amount of liability and equity components. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration