Defined Contribution Plan Defined Contribution Plan (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($)
Retirement Benefits [Abstract]
Defined Contribution Plan, Matching Contributions	$ 0.4

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration