Accounts Receivable, Net And Other Receivables And Finance Loans Receivable, Net (Summary Of Contractual Maturity Of Investment) (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Accounts Receivable, Net And Other Receivables And Finance Loans Receivable, Net [Abstract]
Due in one year or less	$ 0
Due in one year through five years	0
Due in five years through ten years	0
Due after ten years	0
Total, Cost basis	0
Due in one year or less, Estimated fair value	0
Due in one year through five years, Estimated fair value	0
Due in five years through ten years, Estimated fair value	0
Due after ten years, Estimated fair value	0
Total, Estimated fair value	$ 0