Supplementary Balance Sheet Information - Investments Available-for-sale (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Maturity less than 1 year:
Amortized Cost	$ 50,385	$ 33,979
Gross Unrealized Gains	14	31
Gross Unrealized Losses	(18)	(5)
Fair Market Value	50,381	34,005
Maturity 1 to 2 years:
Amortized Cost	9,771	6,263
Gross Unrealized Gains	24	11
Gross Unrealized Losses	(3)	(3)
Fair Market Value	9,792	6,271
Amortized Cost	60,156	40,242
Gross Unrealized Gains	38	42
Gross Unrealized Losses	(21)	(8)
Fair Market Value	60,173	40,276
Corporate debt securities
Maturity less than 1 year:
Amortized Cost	29,706	17,192
Gross Unrealized Gains	14	27
Gross Unrealized Losses	(12)	(1)
Fair Market Value	29,708	17,218
Maturity 1 to 2 years:
Amortized Cost	6,044	6,263
Gross Unrealized Gains	18	11
Gross Unrealized Losses	(1)	(3)
Fair Market Value	6,061	6,271
Commercial paper
Maturity less than 1 year:
Amortized Cost	389	312
Gross Unrealized Gains	0	1
Gross Unrealized Losses	0	0
Fair Market Value	389	313
U.S. government agencies
Maturity less than 1 year:
Amortized Cost	2,086
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Market Value	2,086
Maturity 1 to 2 years:
Amortized Cost	2,529
Gross Unrealized Gains	1
Gross Unrealized Losses	(2)
Fair Market Value	2,528
U.S. treasury securities
Maturity less than 1 year:
Amortized Cost	18,204	16,475
Gross Unrealized Gains	0	3
Gross Unrealized Losses	(6)	(4)
Fair Market Value	18,198	$ 16,474
Maturity 1 to 2 years:
Amortized Cost	1,198
Gross Unrealized Gains	5
Gross Unrealized Losses	0
Fair Market Value	$ 1,203

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