Contract revenue upfront payment earned as percentage of revenue.

No definition available.

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- Definition

Number of customers

+ References

No definition available.

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- Definition

Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures).

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022 Customer	Jun. 30, 2021	Jun. 30, 2022 USD ($) Customer	Jun. 30, 2021 USD ($)	Dec. 31, 2021 Customer
Product Information [Line Items]
Percentage of contract revenue as total revenue	22.70%	93.70%	16.10%	98.00%
Reclassification adjustment from accumulated other comprehensive loss for unrealized gain (loss) realized upon the sale of available-for-sale securities \| $			$ 0	$ 0
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Product Information [Line Items]
Number of customers \| Customer	2		2		2
Customer Concentration Risk [Member] \| Product Sales Net [Member]
Product Information [Line Items]
Number of customers	two		two
Two customers [member] \| Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Product Information [Line Items]
Concentration Risk, Percentage			99.00%		100.00%
Two customers [member] \| Customer Concentration Risk [Member] \| Product Sales Net [Member]
Product Information [Line Items]
Concentration Risk, Percentage	99.00%		99.00%