REGULATORY MATTERS - Narrative (Details)	Mar. 31, 2025	Dec. 31, 2024
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]
Total Capital (to Risk-Weighted Assets), Amount of Capital Required To be Adequately Capitalized, Ratio	0.080	0.080
Tier 1 Capital (To Risk-weighted Assets), Amount Of Capital Required To Be Adequately Capitalized, Ratio	0.060	0.060
CET1 Capital (to Risk-Weighted Assets), Amount of Capital Required To be Adequately Capitalized, Ratio	0.045	0.045
Tier 1 Capital (to Average Assets), Amount of Capital Required To be Adequately Capitalized, Ratio	0.040	0.040
Total Capital (to Risk-Weighted Assets), Amount of Capital Required To be Well-Capitalized under PCA Provisions, Ratio	0.100	0.100
Tier 1 Capital (to Risk-Weighted Assets), Amount of Capital Required To be Well-Capitalized under PCA Provisions, Ratio	0.080	0.080
CET1 Capital (to Risk-Weighted Assets), Amount of Capital Required To be Well-Capitalized under PCA Provisions, Ratio	0.065	0.065
Tier 1 Capital (to Average Assets), Amount of Capital Required To be Well-Capitalized under PCA Provisions, Ratio	0.050	0.050

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Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

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Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.

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Ratio of minimum total risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

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Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework.

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Ratio of minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

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