Fair Value Measurements - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unfunded commitments	$ 4,600,000		$ 4,600,000
Unfunded commitments term			10 years
Proceeds from sale of strategic investment		$ 100,000		$ 100,000
Impairment of equity investment			$ 0		$ 0
Impairment	2,500,000	$ 0	2,500,000	$ 4,800,000
Debt securities, held-to-maturity, restricted	83,000,000.0		83,000,000.0		81,600,000
Held-to-maturity, allowance for credit loss	200,000		200,000		200,000
Restricted investment, restricted cash	29,800,000		29,800,000		18,200,000
Restricted investments, at fair value	82,200,000		82,200,000		80,300,000
Wickliffe, Kentucky Manufacturing Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Present value of lease liabilities	80,000,000.0		80,000,000.0		80,000,000.0
Privately Held Companies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity method investments	15,900,000		15,900,000		15,400,000
Equity securities where fair value is not readily determinable	69,400,000		69,400,000		71,900,000
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, fair value	0		0		0
Assets, fair value	$ 0		$ 0		$ 0