Disclosure Of Fair Value Of Assets And Liabilities (Schedule Of Valuation Techniques And Significant Unobservable Assumptions) (Details) - Land Holdings Held For Sale [Member] - Waterfront [Member] - Valuation Technique, Consensus Pricing Model [Member] - Measurement Assumptions, Market Rates Per Square Foot [Member]	Mar. 31, 2022 item
Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing Asset, Measurement Input	76,000
Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing Asset, Measurement Input	78,000