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LOAN REPURCHASE RESERVE - Summary of Activities in Reserve for Loss Reimbursements on Sold Loans (Details) - Representations and Warranties Obligations and Corporate Guarantees - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loss Contingency Accrual [Roll Forward]
Balance at beginning of year	$ 5,515	$ 6,201	$ 2,506
Initial provision for loan repurchases	0	11	4,563
Subsequent change in the reserve	(948)	(697)	(660)
Utilization of reserve for loan repurchases	(219)	0	(208)
Balance at end of year	$ 4,348	$ 5,515	$ 6,201

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- Definition

Loss Contingency Accrual, Subsequent Change In The Reserve

+ References

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
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- Definition

Amount of cash outflow reducing loss contingency liability.

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-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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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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