Leases (Summary Of Components Of Financing Receivable) (Details) - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
Financing Receivable [Abstract]
Gross financing receivable		$ 43,957	$ 45,530
Unearned Income		(10,434)	(11,111)
Financing receivable		33,523	34,419
Allowance for credit losses		(1)
Total financing receivable		33,522	34,419
Amounts due within one year	[1]	3,783	3,726
Amounts due beyond one year	[2]	$ 29,739	$ 30,693

[1] Included in prepaid expenses and other current assets in the consolidated balance sheets.

[2] Included in financing receivable in the consolidated balance sheets.