SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Warehouse Interest Income (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net Warehouse Interest Income
Net warehouse interest income	$ 5,268	$ 4,630	$ 10,041	$ 9,185
Loans Held for Sale
Net Warehouse Interest Income
Warehouse interest income	12,175	7,863	21,038	16,981
Warehouse interest expense	(8,468)	(4,979)	(13,801)	(11,638)
Net warehouse interest income	3,707	2,884	7,237	5,343
Loans Held for Investment
Net Warehouse Interest Income
Warehouse interest income	3,015	2,962	5,365	6,190
Warehouse interest expense	(1,454)	(1,216)	(2,561)	(2,348)
Net warehouse interest income	$ 1,561	1,746	$ 2,804	3,842
Secured Borrowings
Net Warehouse Interest Income
Warehouse interest income		883		1,748
Warehouse interest expense		$ (883)		$ (1,748)

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)
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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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Interest income expense net.

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