FAIR VALUE - Summary of assets measured at fair value on recurring basis (Details) - Level 3 - Recurring - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Corporate bonds
Guarantee asset
Beginning balance	$ 2,113
Acquisitions	4,000
Unrealized gains/(losses), net	102
Ending balance	6,215
Loans Held at Fair Value
Guarantee asset
Beginning balance	6,380
Ending balance	6,380
Forward Commitment
Guarantee asset
Beginning balance	(9)	$ (89)
Acquisitions	9
Gains (losses) in net income, net		(84)
Ending balance		(173)
Guarantee Asset
Guarantee asset
Beginning balance	237	232
Gains (losses) in net income, net	(31)	(44)
Ending balance	206	188
IRLC,net
Guarantee asset
Beginning balance	1,473	9,841
Acquisitions	1,614	2,684
Originations	(1,354)	(7,016)
Gains (losses) in net income, net	(743)	(3,404)
Ending balance	990	$ 2,105
Equity Warrants
Guarantee asset
Beginning balance	160
Acquisitions	242
Ending balance	$ 402

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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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.

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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

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-Publisher FASB
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-Section 50
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