XML 77 R58.htm IDEA: XBRL DOCUMENT
v3.20.4

Fair Value Measurements - Additional Information (Details) $ in Millions | Dec. 31, 2020 USD ($)
--- | ---
Fair Value Measurements |
Convertible Senior notes | $ 108.2

X
- Definition Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtFairValueDisclosures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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