Number of consecutive trading days for determining the share price.

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Shares return under draw down agreement.

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Amount of increase (decrease) in fair value from changes in the assumptions or model used to calculate the fair value of a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Portion of the carrying amount as of the balance sheet date of obligations due all related parties that is payable after one year or beyond the normal operating cycle if longer.

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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.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Fair Value Measurements - Additional Information (Detail) - USD ($) shares in Millions	1 Months Ended		3 Months Ended	6 Months Ended
	Jul. 31, 2022	Jul. 28, 2022	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Due to Related Parties, Noncurrent					$ 16,670,000
Short-term debt			0	$ 0	34,311,000
Change in fair value of the forward asset loss			8,900,000
GEM Agreement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Shares return under draw down agreement				9.9
GEM Agreement [Member] \| Subsequent Event [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number Of Consecutive Trading Days For Determining The Share Price	40 days	30 days
Debt Derivative Liabilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gain from fair value of warrants			$ 1.3	$ 2.7
Convertible notes [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Convertible Notes Payable, Fair Value Disclosure					99,000,000.0
Convertible Notes Payable					105,800,000
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net					38,600,000
Long-term Debt					16,200,000
Due to Related Parties, Noncurrent					16,700,000
Short-term debt					$ 34,300,000