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REGULATORY CAPITAL (Details) - Schedule of Company’s and Bank’s Actual and Required Capital Levels | Sep. 30, 2024 | Sep. 30, 2023
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Tier 1 leverage ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Required for capital adequacy purposes |  | 4.00% | 4.00%
To be well-capitalized under prompt corrective action provisions |  | 5.00% | 5.00%
CET1 [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Required for capital adequacy purposes | [1] | 7.00% | 7.00%
To be well-capitalized under prompt corrective action provisions |  | 6.50% | 6.50%
Tier 1 risk-based capital ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Required for capital adequacy purposes | [1] | 8.50% | 8.50%
To be well-capitalized under prompt corrective action provisions |  | 8.00% | 8.00%
Total risk-based capital ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Required for capital adequacy purposes | [1] | 10.50% | 10.50%
To be well-capitalized under prompt corrective action provisions |  | 10.00% | 10.00%
Magyar Bank [Member] | Tier 1 leverage ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Bank |  | 11.11% | 11.11%
Magyar Bank [Member] | CET1 [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Bank |  | 14.75% | 14.97%
Magyar Bank [Member] | Tier 1 risk-based capital ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Bank |  | 14.75% | 14.97%
Magyar Bank [Member] | Total risk-based capital ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Bank |  | 15.85% | 16.22%
Magyar Bancorp, Inc. [Member] | Tier 1 leverage ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Company |  | 11.64% | 12.15%
Magyar Bancorp, Inc. [Member] | CET1 [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Company |  | 15.44% | 16.37%
Magyar Bancorp, Inc. [Member] | Tier 1 risk-based capital ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Company |  | 15.44% | 16.37%
Magyar Bancorp, Inc. [Member] | Total risk-based capital ratio [Member] |  |  |
Schedule of Company’s and Bank’s Actual and Required Capital Levels [Line Items] |  |  |
Company |  | 16.55% | 17.62%
[1] | Includes 2.50% capital conservation buffer

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