Loans Receivable, Net (Summary Of Allowance For Uncollectible Accounts Activity) (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020
Receivables [Abstract]
Balance at beginning of year		$ 77,816	$ 20,444
Adoption of ASC 326	[1]		4,977
Charged/credited to Net Income		167,025	34,614
Charges/Utilized/Currency translation adjustments/Write-offs		(5,517)	(34,204)
Balance at end of period		$ 239,324	$ 25,831

[1] Cumulative pre-tax adjustments recorded to retained earnings as of January 1, 2020