The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Stock-Based Compensation, Summary of Stock-Based Compensation Plans (Details) - shares	Dec. 31, 2023	Dec. 31, 2021	Dec. 31, 2019	May 31, 2008
Equity Incentive Plan 2019 [Member]
Stock-Based Compensation Expense [Abstract]
Number of shares authorized for issuance (in shares)	10,000,000	7,000,000	4,000,000
Stock awards, available for future grant (in shares)	3,954,727
Incentive Compensation Plan 2009 [Member]
Stock-Based Compensation Expense [Abstract]
Number of shares authorized for issuance (in shares)				6,733,334