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REGULATORY CAPITAL (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Sep. 30, 2016
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Magyar Bancorp, Inc. [Member] |  |
Total Capital |  |
Total Capital | $ 53,936 | $ 51,940
Total Capital (to risk-weighted assets) ratio | 12.62% | 12.55%
Tier 1 Capital (to risk-weighted assets) |  |
Tier 1 Capital | $ 50,461 | $ 48,884
Tier 1 Capital (to risk-weighted assets) ratio | 11.80% | 11.82%
Common Equity Tier 1 Capital | $ 50,461 | $ 48,884
Common Equity Tier 1 Capital (to risk-weighted assets) ratio | 11.80% | 11.82%
Tier 1 Leverage Capital (to average assets) |  |
Tier 1 Capital | $ 50,461 | $ 48,884
Tier 1 Capital (to average assets) ratio | 8.45% | 8.53%
Magyar Bank [Member] |  |
Total Capital |  |
Total Capital | $ 53,726 | $ 50,447
Total Capital (to risk-weighted assets) ratio | 12.57% | 12.19%
Minimum amount of capital for adequacy purposes | $ 34,201 | $ 33,099
Minimum amount of capital for adequacy purposes, ratio | 8.00% | 8.00%
Minimum Capital required to be well-capitalized | $ 42,751 | $ 41,374
Minimum Capital required to be well-capitalized, ratio | 10.00% | 10.00%
Tier 1 Capital (to risk-weighted assets) |  |
Tier 1 Capital | $ 50,251 | $ 47,391
Tier 1 Capital (to risk-weighted assets) ratio | 11.75% | 11.45%
Minimum amount of Tier 1 Capital for adequacy purposes | $ 25,651 | $ 24,825
Minimum amount of Tier 1 Capital for adequacy purposes, ratio | 6.00% | 6.00%
Minimum Tier 1 Capital required to be well-capitalized | $ 34,201 | $ 33,099
Minimum Tier 1 Capital required to be well-capitalized, ratio | 8.00% | 8.00%
Common Equity Tier 1 Capital | $ 50,251 | $ 47,391
Common Equity Tier 1 Capital (to risk-weighted assets) ratio | 11.75% | 11.45%
Minimum amount of common equity Tier 1 Capital for adequacy purposes | $ 19,238 | $ 18,618
Minimum amount of common equity Tier 1 Capital for adequacy purposes, ratio | 4.50% | 4.50%
Minimum common equity Tier 1 Capital required to be well-capitalized | $ 27,788 | $ 26,893
Minimum common equity Tier 1 Capital required to be well-capitalized, ratio | 6.50% | 6.50%
Tier 1 Leverage Capital (to average assets) |  |
Tier 1 Capital | $ 50,251 | $ 47,391
Tier 1 Capital (to average assets) ratio | 8.41% | 8.27%
Minimum amount of Tier 1 Capital for adequacy purposes | $ 23,892 | $ 22,914
Minimum amount of Tier 1 Capital for adequacy purposes, ratio | 4.00% | 4.00%
Minimum Tier 1 Capital required to be well-capitalized | $ 29,865 | $ 28,642
Minimum Tier 1 Capital required to be well-capitalized, ratio | 5.00% | 5.00%

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- Definition The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 + Details
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- Definition The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826 + Details
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- Definition The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 + Details
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- Definition Total Capital divided by risk weighted assets as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 + Details
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- Definition Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 + Details
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