Investments (Gain (Loss) on Marketable Equity Securities) (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Investments [Abstract]
Gain on marketable equity securities, net	$ 30,496	$ 16,759	$ 154,276	$ 113,429
Less: Net gains in earnings from marketable equity securities sold and donated	(5,908)	0	(6,010)	(5,475)
Net unrealized gains in earnings from marketable equity securities still held at the end of the period	$ 24,588	$ 16,759	$ 148,266	$ 107,954