FAIR VALUE - Rollforward of changes in fair value of loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Mortgage loans held for sale
Guarantee asset
Balance at beginning of period	$ 26,856	$ 19,746	$ 7,254	$ 8,839
Loans transferred from held for investment	97,878	66,586	270,136	217,774
Fair value changes	(346)	(163)	16	(35)
Sales	(112,033)	(74,064)	(265,034)	(214,467)
Settlements	(31)	0	(48)	(6)
Balance at end of period	12,324	12,105	12,324	12,105
Loans held for sale
Guarantee asset
Balance at beginning of period	0	0	0	1,965
Loans transferred from held for investment	993	0	3,722	39,221
Fair value changes	0	0	0	(20)
Sales	(520)	0	(3,249)	(40,761)
Settlements	0	0	0	(405)
Balance at end of period	473	0	473	0
Loan Held for Investment
Guarantee asset
Balance at beginning of period	10,190	17,523	13,726	23,321
Fair value changes	66	110	166	(547)
Settlements	(1,311)	(1,806)	(4,230)	(7,101)
Loans acquired	0	0	0	1,162
Net charge-offs	(299)	(363)	(1,016)	(1,371)
Balance at end of period	$ 8,646	$ 15,464	$ 8,646	$ 15,464

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Write-Off

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

+ Details

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- Definition

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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- Definition

Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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