DEBT - Notes Payable - Summary (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Debt
Unpaid principal balance	$ 2,687,623
Carrying balance	740,174	$ 291,593
Term Loan
Debt
Quarterly equal installments	1,500	800
Unpaid principal balance	600,000	294,773
Unamortized debt discount	(1,491)	(1,026)
Debt issuance costs	(8,914)	(2,154)
Carrying balance	589,595	$ 291,593
Period for amounts drawn and repaid		60 days
Alliant Note Payable
Debt
Unpaid principal balance	145,175
Fair value adjustments	5,404
Carrying balance	$ 150,579
Stated interest rate	4.75%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payments including both interest and principal payments.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The amount of time within which the Company's warehouse notes payable related to loans held for sale generally pay off.

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