Long-Term Debt - Notes Payable to BMI - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
Feb. 28, 2017	Jun. 30, 2022
Debt Instrument [Line Items]
Noncurrent restricted cash reclassified		$ 7.3
BMI \| 2017 Bank Loan \| Western Alliance Bank \| Bank note payable
Debt Instrument [Line Items]
Principal amount of loan agreement	$ 20.5
Frequency of debt instrument payment		semi-annual
Debt instrument, payment terms		The agreement requires semi-annual payments of principal and interest on June 1 and December 1, aggregating $1.9 million annually beginning on June 1, 2017 through the maturity date in June 2032.
Periodic principal and interest payments	$ 1.9
Loans maturity period	2032-06
Interest rate	5.34%
Carrying value of loan		$ 14.3
Noncurrent restricted cash reclassified		7.3
Debt issuance cost		$ 0.5

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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The amount of non-current restricted cash reclassified to current.

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