Available-for-sale Securities and Fair Value on Financial Instruments - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Credit losses recognized	$ 0	$ 0	$ 0
Gross realized losses from the sale or maturity of available-for-sale investments		100,000	100,000
Maximum
Schedule of Available-for-sale Securities [Line Items]
Gross realized gains from the sale or maturity of available-for-sale investments	100,000	$ 100,000	$ 100,000
Gross realized losses from the sale or maturity of available-for-sale investments	$ 100,000