Investments (Tables)

3 Months Ended

Mar. 31, 2023

Investments [Abstract]

Investments in Marketable Equity Securities

Investments in marketable equity securities consist of the following:

	As of
	March 31, 2023		December 31, 2022
(in thousands)
Total cost	$	234,157	$	270,764
Gross unrealized gains	373,842		363,147
Gross unrealized losses	(4,456)		(23,990)
Total Fair Value	$	603,543	$	609,921

Gain on Marketable Equity Securities

The net gain on marketable equity securities comprised the following:

	Three Months Ended   March 31
(in thousands)	2023		2022
Gain on marketable equity securities, net	$	18,022	$	46,912
Less: Net losses in earnings from marketable equity securities sold	3,657		5,767
Net unrealized gains in earnings from marketable equity securities still held at the end of the period	$	21,679	$	52,679