Revenue Recognition (Summary Of Derived Revenue And Other Income) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Revenue Recognition [Abstract]
Revenue from contracts with customers	$ 130,443	$ 136,017
Total revenue	$ 130,443	$ 136,017

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details