Borrowings - Mann Group Promissory Notes - Additional Information (Detail) $ / shares in Units, $ in Thousands, shares in Millions		1 Months Ended			3 Months Ended	12 Months Ended
	Apr. 22, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jan. 31, 2021 USD ($) shares	Aug. 31, 2019 USD ($) $ / shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares
Debt Instrument [Line Items]
Principal amount						$ 288,400
Debt instrument payment term description						Principal on each term loan advance under Tranche 1, Tranche 2 and, if applicable, Tranche 3 is payable in 24 equal monthly installments beginning September 1, 2023, until paid in full on August 1, 2025.
Maturity date	Dec. 31, 2025			Nov. 03, 2024
Loss on extinguishment of debt, net						$ 17,200	$ 264
Debt issuance amount		$ 230,000
The Mann Group L L C | Promissory Notes
Debt Instrument [Line Items]
Debt instrument fair value in excess of face amount						18,400
Loss on extinguishment of debt, net						22,100
Debt premium recognized in additional paid-in capital						22,100
The Mann Group L L C | Convertible Promissory Note
Debt Instrument [Line Items]
Principal amount					$ 28,000	$ 18,400	28,000
Senior notes, effective interest rate						2.50%
Terms | $ / shares						$ 2.50
Debt issuance amount			$ 9,600		$ 7,000	$ 9,600	$ 7,000
Conversion of notes to common shares, shares | shares			4.0		2.8	4,000,000.0	2.8
Repayments of debt	$ 35,100
The Mann Group L L C | Convertible Promissory Note | Accrued Interest
Debt Instrument [Line Items]
Debt issuance amount						$ 400	$ 3,000
Conversion of notes to common shares, shares | shares							1.2
The Mann Group L L C | Promissory Notes
Debt Instrument [Line Items]
Loss on extinguishment of debt, net						22,100
Debt premium recognized in additional paid-in capital						$ 22,100
The Mann Group L L C | New Loan Arrangement | Convertible Promissory Note
Debt Instrument [Line Items]
No of convertible shares				400
Principal amount per share | $ / shares				$ 1,000
Terms | $ / shares				$ 2.50
The Mann Group L L C | 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
The Mann Group L L C | Privately Negotiated Exchange Agreement | Loan Arrangement
Debt Instrument [Line Items]
Common stock price per share | $ / shares				$ 2.50
The Mann Group L L C | Privately Negotiated Exchange Agreement | Loan Arrangement | Convertible Promissory Note
Debt Instrument [Line Items]
Principal amount				$ 35,000
The Mann Group L L C | Privately Negotiated Exchange Agreement | Loan Arrangement | Non-Convertible Note
Debt Instrument [Line Items]
Principal amount				$ 35,100