Investments in Marketable Securities (Details) - Schedule of component of gains and (losses) on marketable securities - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule Of Component Of Gains And Losses On Marketable Securities Abstract
Realized (loss) gain	$ (144)	$ (583)	$ (712)	$ 501
Unrealized loss	(1,589)	(2,901)	(3,889)	(4,296)
Dividend income	79	451	211	1,221
Total	$ (1,654)	$ (3,033)	$ (4,390)	$ (2,574)