REGULATORY CAPITAL REQUIREMENTS - NARRATIVE (Details)	Jun. 30, 2026
Banking Regulation, Minimum Regulatory Capital Requirements [Abstract]
Tier 1 leverage (core) capital to adjusted average assets, minimum capital ratio	0.040
Common equity tier 1 capital (to risk-weighted assets), minimum capital ratio	4.50%
Tier 1 capital (to risk-weighted assets), minimum capital ratio	0.060
Total capital (to risk-weighted assets), minimum capital ratio	0.080
Tier 1 leverage (core) capital to adjusted average assets, well capitalized ratio	0.050
Common equity tier 1 capital (to risk-weighted assets), well capitalized ratio	6.50%
Tier 1 capital (to risk-weighted assets), well capitalized ratio	0.080
Total capital (to risk-weighted assets), well capitalized ratio	0.100
Minimum tier 1 capital ratio	1.50%
Common equity tier 1 capital (to risk-weighted assets), minimum capital ratio, inclusive of the capital conservation buffer requirement	7.00%
Tier 1 capital (to risk-weighted assets), minimum capital ratio, inclusive of the capital conservation buffer requirement	8.50%
Total capital (to risk-weighted assets), minimum capital ratio, inclusive of the capital conservation buffer requirement	10.50%

Banking Regulation, Minimum Regulatory Capital Requirements

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Banking Regulation, Tangible Capital Ratio

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Capital Required For Capital Adequacy To Risk Weighted Assets, Inclusive Of The Capital Conservation Buffer Requirement

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Tier One Common Equity Required For Capital Adequacy To Average Assets, Inclusive Of The Capital Conservation Buffer Requirement

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Tier One Common Equity Required for Capital Adequacy to Average Assets

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Tier One Common Equity Required to be Well Capitalized to Average Assets

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Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets, Inclusive Of The Capital Conservation Buffer Requirement

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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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Reference 1: 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

Reference 2: 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

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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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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

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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 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

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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 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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