Fair Value Measurements - Additional Information (Detail) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Debt Instrument Fair Value Carrying Value [Line Items]
Accrued interest receivable written off	$ 0	$ 0
Transfers among the Level 1, Level 2 and Level 3 categories	0	0
Impairment of assets	0	0
Prepaid Expenses and Other Current Assets [Member]
Debt Instrument Fair Value Carrying Value [Line Items]
Accrued interest receivable	4,200,000	4,200,000
US Treasury Bond Securities \| Corporate Bonds and Municipal Securities [Member]
Debt Instrument Fair Value Carrying Value [Line Items]
Marketable securities fair value held to maturity	$ 110,300,000	$ 211,200,000
Maximum [Member] \| US Treasury Bond Securities \| U.S. Corporate Bonds [Member]
Debt Instrument Fair Value Carrying Value [Line Items]
Marketable securities, remaining contractual maturities	1 year	1 year
Maximum [Member] \| US Treasury Bond Securities \| Corporate Bonds and Municipal Securities [Member]
Debt Instrument Fair Value Carrying Value [Line Items]
Marketable securities held, matuirity period	2 years	2 years
Minimum [Member] \| US Treasury Bond Securities \| Corporate Bonds and Municipal Securities [Member]
Debt Instrument Fair Value Carrying Value [Line Items]
Marketable securities held, matuirity period	1 year	1 year

Accrued interest receivable written off.

No definition available.

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- Definition

Debt instrument fair value carrying value.

+ References

No definition available.

+ Details

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- Definition

Amount of transfers of assets measured on a recurring basis among Level 1, Level 2 and Level 3.

+ References

No definition available.

+ Details

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- Definition

Marketable securities held to maturity fair value.

+ References

No definition available.

+ Details

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- Definition

Marketable securities maturity period.

+ References

No definition available.

+ Details

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- Definition

The remaining contractual period for marketable securities.

+ References

No definition available.

+ Details

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482130/360-10-45-4

+ Details

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Period Type:	duration

- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480833/946-310-45-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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- Details

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- Details

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- Details

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