Equity Investees (Schedule of Operations for Equity Investees) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
INCOME STATEMENT DATA:
Total revenues	$ 2,788,957	$ 2,125,476	$ 1,824,655
Operating income	315,012	75,696	(245,958)
Net Income	75,457	(165,067)	(416,678)
Equity Method Investment, Nonconsolidated Investee or Group of Investees
INCOME STATEMENT DATA:
Total revenues	201,124	203,835	214,687
Operating income	129,212	143,506	153,640
Net Income	$ 120,613	$ 138,783	$ 147,560