Investments - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Schedule of Investments [Line Items]
Allowance for credit losses on available-for-sale investments	$ 0		$ 0		$ 0
Impairment loss on investments	0	$ 0	0	$ 0
Investments	(649,568,000)		(649,568,000)		(848,577,000)
Gain (loss) on investments	1,200,000	$ 500,000	1,100,000	$ 5,600,000
Long-term Investments
Schedule of Investments [Line Items]
Investments	$ (4,565,000)		$ (4,565,000)		$ (3,465,000)
ORIC
Schedule of Investments [Line Items]
Stock held in investment (shares)	588,235		588,235		588,235