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Support Service Fees - Additional Information (Detail) - Administrative Support Services Agreement - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Support Service Fees [Line Items]
Support service fees	$ 2,000,000.0	$ 1,200,000
Prepaid Expenses and Other Current Assets
Support Service Fees [Line Items]
Net amount due from purchaser	$ 746,000

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Support service fees.

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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

+ References

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