Stock Compensation (Schedule of Shares Available for Grant) (Details) - shares	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized Shares	10,045,000
Available for Grant	4,107,000	1,966,000
1996 Discounted Employee Stock Purchase Plan, as amended
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized Shares	2,900,000
Available for Grant	826,000	967,000
2020 Equity and Cash Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized Shares	7,145,000
Available for Grant	3,281,000	999,000