Available-for-Sale Marketable Securities in Unrealized Position (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 21,731	$ 22,872
Less than 12 Months, Unrealized Loss	(19)	(74)
12 Months or Greater, Fair Value	3,880	9,597
12 Months or Greater, Unrealized Loss	(253)	(334)
Total, Fair Value	25,611	32,469
Total, Unrealized Loss	(272)	(408)
Corporate debt securities
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	13,798	14,002
Less than 12 Months, Unrealized Loss	(9)	(27)
12 Months or Greater, Fair Value	0	3,967
12 Months or Greater, Unrealized Loss	0	(12)
Total, Fair Value	13,798	17,969
Total, Unrealized Loss	(9)	(39)
United States government agency securities
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	7,721	8,468
Less than 12 Months, Unrealized Loss	(5)	(37)
12 Months or Greater, Fair Value	1,599	3,279
12 Months or Greater, Unrealized Loss	(2)	(15)
Total, Fair Value	9,320	11,747
Total, Unrealized Loss	(7)	(52)
Mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	212	402
Less than 12 Months, Unrealized Loss	(5)	(10)
12 Months or Greater, Fair Value	2,281	2,351
12 Months or Greater, Unrealized Loss	(251)	(307)
Total, Fair Value	2,493	2,753
Total, Unrealized Loss	$ (256)	$ (317)