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Long-Term Debt - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended	12 Months Ended
	Feb. 20, 2018	Jun. 30, 2021	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	May 31, 2021	Mar. 29, 2019
Debt Instrument [Line Items]
Net proceeds from the initial term loan						$ 74,250
Debt interest rate							2.50%
Long-term debt, net of debt discount				$ 5,010	1,094
Debt maturity date				May 15, 2026
Interest expense related to initial term loan				$ 4,224
Loss on debt extinguishment				(5,232)	0	0
Repayment of long-term debt				190,194
Loan Agreement
Debt Instrument [Line Items]
Interest expense related to initial term loan				$ 7,000	$ 19,100	$ 16,500
CRG Servicing LLC
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 175,000
Net proceeds from the initial term loan	$ 173,300
Debt interest rate	9.50%
Debt maturity date				Dec. 31, 2023
Current borrowing capacity	$ 100,000							$ 75,000
Loss on debt extinguishment		$ 5,200
Repayment of long-term debt			$ 190,200

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

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