REGULATORY MATTERS (Capital Ratios) (Details)	Dec. 31, 2025	Dec. 31, 2024
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]
CETI to risk-weighted assets, Minimum capital requirement	0.045
CETI to risk-weighted assets, Capital conservation buffer	0.025
CETI to risk-weighted assets, Minimum capital ratio requirement with capital conservation buffer	0.070
CETI to risk-weighted assets, Capital ratio	0.115	0.109
Tier 1 risk-based capital CETI plus additional Tier 1 capital) to risk-weighted assets, Minimum capital requirement	0.060
Tier 1 risk-based capital CETI plus additional Tier 1 capital) to risk-weighted assets, Capital conservation buffer	0.025
Tier 1 risk-based capital CETI plus additional Tier 1 capital) to risk-weighted assets, Minimum capital ratio requirement with capital conservation buffer	0.085
Tier 1 risk-based capital CETI plus additional Tier 1 capital) to risk-weighted assets, Capital ratio	0.116	0.110
Total risk-based capital (Tier 1 capital plus Tier 2 capital) to risk-weighted assets, Minimum capital requirements	0.080
Total risk-based capital (Tier 1 capital plus Tier 2 capital) to risk-weighted assets, Capital conversion buffer	0.025
Total risk-based capital (Tier 1 capital plus Tier 2 capital) to risk-weighted assets, Minimum capital ratio requirement with capital conservation buffer	0.105
Total risk-based capital (Tier 1 capital plus Tier 2 capital) to risk-weighted assets, Capital ratio	0.138	0.133
Tier 1 leverage ration (Tier 1 risk-based capital) to average consolidated assets, Minimum capital requirement	0.040
Tier 1 leverage ration (Tier 1 risk-based capital), Minimum capital requirement with buffer	4.00%
Tier 1 leverage ration (Tier 1 risk-based capital), Capital ratio	0.090	0.083

No definition available.

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Capital conservation buffer percentage calculated as Common Equity Tier 1 risk-based capital ratio after deduction of minimum Common Equity Tier 1 risk-based capital ratio as defined by regulatory framework.

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Capital conservation buffer percentage calculated as Tier 1 risk-based capital ratio after deduction of minimum Tier 1 risk-based capital ratio as defined by regulatory framework.

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Capital conservation buffer percentage calculated as total risk-based capital ratio after deduction of minimum total risk-based capital ratio as defined by regulatory framework.

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

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

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

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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 Tier 1 capital to average assets as defined by regulatory framework.

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

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Ratio of Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework.

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