Condensed Consolidated Statements of Comprehensive Earnings (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (15,976)	$ 1,749	$ 141	$ 35,230
Other comprehensive gain (loss)
Unrealized gain (loss) on marketable securities, net of tax	569	(1,826)	2,004	(5,585)
Other comprehensive gain (loss)	569	(1,826)	2,004	(5,585)
Comprehensive earnings (loss)	$ (15,407)	$ (77)	$ 2,145	$ 29,645