Borrowings - Mann Group Promissory Notes - Additional Information (Detail) $ / shares in Units, $ in Millions		1 Months Ended			3 Months Ended	12 Months Ended
		Apr. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Aug. 31, 2019 USD ($) $ / shares	Mar. 31, 2021 USD ($) shares	Dec. 31, 2021 USD ($) shares	Mar. 31, 2022 USD ($) $ / shares
Debt Instrument [Line Items]
Principal amount							$ 288.4
Maturity date		Dec. 31, 2025		Nov. 03, 2024
Debt issuance amount			$ 230.0
Mann Group | Convertible Promissory Note
Debt Instrument [Line Items]
Principal amount						$ 18.4	$ 18.4
Senior notes, effective interest rate	[1]						2.50%
Repayments of debt		$ 35.1
Conversion price of shares | $ / shares							$ 2.50
Debt issuance amount					$ 9.6	$ 9.6
Conversion of notes to common shares, shares | shares					4,000,000	4,000,000
Mann Group | Convertible Promissory Note | Accrued Interest
Debt Instrument [Line Items]
Debt issuance amount						$ 0.4
Mann Group | Promissory Notes
Debt Instrument [Line Items]
Debt instrument fair value in excess of face amount						18.4
Loss on extinguishment of debt						22.1
Debt premium recognized in additional paid-in capital						$ 22.1
Mann Group | New Loan Arrangement | Convertible Promissory Note
Debt Instrument [Line Items]
No of convertible shares				400
Principal amount per share | $ / shares				$ 1,000
Conversion price of shares | $ / shares				$ 2.50
Mann Group | New Loan Arrangement | Promissory Notes
Debt Instrument [Line Items]
Senior notes, effective interest rate		2.50%		7.00%
Debt instrument payment term description				quarterly
Debt instrument, date of first required interest payment				Oct. 01, 2019
Mann Group | Privately Negotiated Exchange Agreement | Loan Arrangement
Debt Instrument [Line Items]
Common stock price per share | $ / shares				$ 2.50
Mann Group | Privately Negotiated Exchange Agreement | Loan Arrangement | Convertible Promissory Note
Debt Instrument [Line Items]
Principal amount				$ 35.0
Mann Group | Privately Negotiated Exchange Agreement | Loan Arrangement | Non-Convertible Note
Debt Instrument [Line Items]
Principal amount				$ 35.1

[1] In April 2021, the Mann Group convertible note was amended. The interest rate prior to the amendment was 7.00% and the maturity date was in November 2024.