Senior Facility - Schedule of Components of Net Carrying Amount of Senior Facility (Detail) - Senior Secured Term Loan Facility [Member] $ in Thousands	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount	$ 50,498
Unamortized transaction costs	(2,028)
Net carrying amount	48,470
Total noncurrent portion of Senior Facility	$ 48,470

Face (par) amount of debt instrument at time of issuance.

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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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No definition available.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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