Investments (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Marketable Securities [Line Items]
Amortized Cost	$ 84,383,000		$ 84,383,000		$ 81,569,000
Gross Unrealized Gains	293,000		293,000		122,000
Gross Unrealized Losses	(35,000)		(35,000)		(118,000)
Credit Losses	0		0		0
Estimated Fair Value	84,641,000		$ 84,641,000		$ 81,573,000
Remaining contractual maturity period			3 years		3 years
Impairments of assets	0	$ 0	$ 0	$ 0
Short-term investments
Marketable Securities [Line Items]
Estimated Fair Value	34,977,000		34,977,000		$ 41,693,000
Long-term investments
Marketable Securities [Line Items]
Estimated Fair Value	49,664,000		49,664,000		39,880,000
Commercial paper
Marketable Securities [Line Items]
Amortized Cost	2,950,000		2,950,000		1,953,000
Gross Unrealized Gains	1,000		1,000		1,000
Gross Unrealized Losses	(1,000)		(1,000)		(1,000)
Credit Losses	0		0		0
Estimated Fair Value	2,950,000		2,950,000		1,953,000
Corporate notes
Marketable Securities [Line Items]
Amortized Cost	71,328,000		71,328,000		71,733,000
Gross Unrealized Gains	286,000		286,000		117,000
Gross Unrealized Losses	(17,000)		(17,000)		(87,000)
Credit Losses	0		0		0
Estimated Fair Value	71,597,000		71,597,000		71,763,000
U.S. government agency bonds
Marketable Securities [Line Items]
Amortized Cost	10,105,000		10,105,000		7,883,000
Gross Unrealized Gains	6,000		6,000		4,000
Gross Unrealized Losses	(17,000)		(17,000)		(30,000)
Credit Losses	0		0		0
Estimated Fair Value	$ 10,094,000		$ 10,094,000		$ 7,857,000