Stock Incentive Plan (Schedule of Share-based Compensation, Unearned Compensation Related to RSU's) (Details) - Restricted Stock Units (RSUs) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Changes In Unearned Compensation [Roll Forward]
Unearned compensation at beginning of year	$ 148,080	$ 142,060	$ 135,535
RSUs granted, net of cancellations	63,347	62,418	60,628
RSUs expensed	52,380	(49,200)	(47,611)
RSUs forfeitures	5,718	(7,198)	(6,492)
Unearned compensation at end of year	$ 153,329	$ 148,080	$ 142,060