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CAPITAL REQUIREMENTS AND RESTRICTIONS ON RETAINED EARNINGS - Financial Measures of Capital (Details) | Sep. 30, 2023 | Sep. 30, 2022
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 (core) capital (to adjusted total assets), ratio | 8.11% | 8.10%
Tier 1 (core) capital (to adjusted total assets), minimum requirement for capital adequacy purposes, ratio | 4.00% | 4.00%
Tier 1 (core) capital (to adjusted total assets), minimum requirement to be well capitalized under prompt corrective action provisions, ratio | 5.00% | 5.00%
Common equity Tier 1 (to risk-weighted assets), actual ratio | 11.25% | 12.07%
Common equity Tier 1 (to risk-weighted assets), minimum requirement for capital adequacy purposes, ratio | 4.50% | 4.50%
Common equity Tier 1 (to risk-weighted assets), minimum requirement to be well capitalized under prompt corrective action provisions, ratio | 6.50% | 6.50%
Tier 1 (core) capital ( to risk weighted assets), ratio | 0.1150 | 0.1239
Tier 1 (core) capital (to risk-weighted assets), minimum requirement for capital adequacy purposes, ratio | 0.0600 | 0.0600
Tier 1 (core) capital (to risk-weighted assets), minimum requirement to be well capitalized under prompt corrective action provisions, ratio | 0.0800 | 0.0800
Total qualifying capital (to risk-weighted assets), ratio | 12.84% | 13.88%
Total qualifying capital (to risk-weighted assets), minimum requirement for capital adequacy purposes, ratio | 8.00% | 8.00%
Total qualifying capital (to risk-weighted assets), minimum requirement to be well capitalized under prompt corrective action provisions, ratio | 10.00% | 10.00%
MetaBank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 (core) capital (to adjusted total assets), ratio | 8.32% | 8.19%
Common equity Tier 1 (to risk-weighted assets), actual ratio | 11.81% | 12.55%
Tier 1 (core) capital ( to risk weighted assets), ratio | 0.1181 | 0.1255
Total qualifying capital (to risk-weighted assets), ratio | 12.76% | 13.57%

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- Definition The minimum Tier One risk weighted assets ratio required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The amount of Tier 1 risk-weighted assets required to be categorized as well capitalized under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The total qualifying capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The amount of Tier 1 Risk Based Capital ratio required to be categorized as well capitalized under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition Tier one (core) capital divided by adjusted total assets. + References No definition available. + Details
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- Definition The minimum Tier One risk based capital ratio required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The minimum total qualifying capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References No definition available. + Details
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