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Major Customers - Additional Information (Detail) - Customer Concentration Risk [Member] - Customer	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Number of customers	1	2
Sales Revenue, Net [Member] | 2 Customers [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Customers accounted from total revenue		71.00%
Sales Revenue, Net [Member] | 1 Customer [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Customers accounted from total revenue	100.00%

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- Definition

Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]

+ References

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Number of customers.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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