CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Actual and Required Capital Ratios (Details)	Sep. 30, 2024	Dec. 31, 2023
Tier 1 capital to risk-weighted assets
Total capital to risk-weighted assets	0.144	0.144
Tier 1 capital to risk-weighted assets	0.122	0.123
Common equity tier 1 capital to risk-weighted assets	12.00%	12.00%
Tier 1 capital to average assets	0.099	0.097
Total capital to risk-weighted assets, Minimum Capital Requirement, Ratio	0.080
Tier 1 capital risk-weighted assets, Minimum Capital Requirement, Ratio	0.060
Common equity tier 1 capital to risk weighted assets, Minimum Capital Requirement , Ratio	0.045
Tier 1 capital to average assets, Minimum Capital Requirement, Ratio	0.040
Bank
Tier 1 capital to risk-weighted assets
Total capital to risk-weighted assets	0.137	0.133
Tier 1 capital to risk-weighted assets	0.125	0.122
Common equity tier 1 capital to risk-weighted assets	12.50%	12.20%
Tier 1 capital to average assets	0.102	0.096
Total capital to risk-weighted assets, Minimum Capital Requirement, Ratio	0.080
Tier 1 capital risk-weighted assets, Minimum Capital Requirement, Ratio	0.060
Tier 1 capital to average assets, Minimum Capital Requirement, Ratio	0.040
Tier 1 capital to average assets, Regulatory Minimum to be Well Capitalized, Ratio	0.100
Tier 1 capital risk-weighted assets, Regulatory Minimum to be Well Capitalized, Ratio	0.080
Common equity tier 1 capital to risk weighted assets, Regulatory Minimum to be Well Capitalized, Ratio	0.065
Tier 1 capital to average assets, Regulatory Minimum to be Well Capitalized, Ratio	0.050

Common equity Tier 1 capital divided by risk weighted assets as defined by regulations.

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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.

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

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