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Shareholders' Equity (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 13, 2023
Equity, Class of Treasury Stock [Line Items]
Common stock surrendered as payment	$ 229,596	$ 88,319	$ 198,819	$ 107,334	$ 267,198	$ 345,921
Value of common shares authorized for repurchasing	$ 368,369						$ 368,369
Additional Authorization [Member]
Equity, Class of Treasury Stock [Line Items]
Value of common shares authorized for repurchasing								$ 300,000
Repurchases in Accordance with Stock Award Agreements [Member]
Equity, Class of Treasury Stock [Line Items]
Acquisition of treasury stock (shares), total							41
Common stock surrendered as payment							$ 68,613

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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