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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Contractual interest rate for funds borrowed, under the debt agreement.

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Long-Term Debt - Notes Payable to BMI - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Feb. 28, 2017	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Repayment of note payable		$ 102.3	$ 58.5	$ 11.2
BMI \| 2017 Bank Loan \| Bank note payable \| Western Alliance Bank
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%
Debt issuance cost		$ 0.5