SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Warehouse Interest Income (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net Warehouse Interest Income
Net warehouse interest income	$ 3,980	$ 5,583	$ 14,021	$ 14,768
Loans Held for Sale
Net Warehouse Interest Income
Warehouse interest income	14,517	11,334	35,555	28,315
Warehouse interest expense	(12,339)	(7,611)	(26,140)	(19,249)
Net warehouse interest income	2,178	3,723	9,415	9,066
Loans Held for Investment
Net Warehouse Interest Income
Warehouse interest income	3,896	3,108	9,261	9,298
Warehouse interest expense	(2,094)	(1,248)	(4,655)	(3,596)
Net warehouse interest income	$ 1,802	$ 1,860	$ 4,606	$ 5,702

Interest and fee income generated by loans the Entity intends and has the ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (1) industrial and agricultural; (2) real estate; and (3) real estate construction loans; (4) trade financing; (5) lease financing; (6) home equity lines-of-credit; (7) automobile and other vehicle loans; and (8) credit card and other revolving-type loans. Also includes interest income for leases held by the Entity.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.1)
-URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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Interest and fee income from mortgage loans considered to be held-for-sale.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The net amount of operating interest income (expense).

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-SubTopic 220
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Interest income expense net.

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