Income Taxes (Summary Of Tax Credit Carryforwards) (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Tax Credit Carryforward
Total net operating loss amount	$ 18,908
Operating loss carryforward expiration year 2023
Tax Credit Carryforward
Net operating loss amount	3,095
Operating loss carryforward expiration year 2024
Tax Credit Carryforward
Net operating loss amount	3,566
Operating loss carryforward expiration year 2025
Tax Credit Carryforward
Net operating loss amount	1,708
Operating loss carryforward expiration year 2026 and beyond
Tax Credit Carryforward
Net operating loss amount	$ 10,539