Stock-Based Compensation - Early Exercise Of Stock Options (Details)	6 Months Ended
Jun. 30, 2021 shares
Stock-Based Compensation
Unvested balance at beginning of period	182
Vested	(82)
Unvested balance at end of period	100

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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