Investments (Gain (Loss) on Marketable Equity Securities) (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Investments [Abstract]
Gain on marketable equity securities, net	$ 19,628	$ 78,648	$ 123,780	$ 96,670
Less: Net gains in earnings from marketable equity securities sold and donated	(102)	(9,132)	(102)	(5,475)
Net unrealized gains in earnings from marketable equity securities still held at the end of the period	$ 19,526	$ 69,516	$ 123,678	$ 91,195