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Shareholders' Equity (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 13, 2022
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, additional authorized amount								$ 200,000
Common stock surrendered as payment	$ 107,334	$ 267,198	$ 345,921	$ 103,340	$ 159,347	$ 106,036
Value of common shares remaining to be repurchased	$ 412,806						$ 412,806
Repurchases in Accordance with Stock Award Agreements [Member]
Equity, Class of Treasury Stock [Line Items]
Acquisition of treasury stock (shares), total							60
Common stock surrendered as payment							$ 92,374

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