Defined Contribution Plan - Additional Information (Details)	9 Months Ended
Sep. 30, 2019
Compensation And Retirement Disclosure [Abstract]
Defined contribution plan name	401(k)

Name of defined contribution plan designed to provide retirement benefits. Includes, but is not limited to, legal name of plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanPlanName
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration