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TIME CERTIFICATES OF DEPOSITS (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017
IRA deposit accounts permanently insured by DIF under management of FDIC | $ 250,000 |
Time certificates of deposits in denominations of $250,000 or more | 163,300,000 | $ 85,200,000
Time Deposits, Fiscal Year Maturity [Abstract] |  |
2019 | 1,562,801,000 |
2020 | 125,581,000 |
2021 | 16,623,000 |
2022 | 6,929,000 |
2023 | 1,048,000 |
Total Certificates | 1,712,982,000 |
Wholesale deposits | 1,531,186,000 | $ 476,173,000
Non-IRA deposits accounts permanently insured under Dodd-Frank act by DIF under management of FDIC | 250,000 |
Wholesale Deposits [Member] |  |
Time Deposits, Fiscal Year Maturity [Abstract] |  |
Wholesale deposits | $ 1,440,000,000 |

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- Definition This element represents IRA deposits accounts permanently insured by the Federal Deposit Insurance Corporation (FDIC). + References No definition available. + Details
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- Definition This element represents the amount permanently insured by the Federal Deposit Insurance Corporation (FDIC). + References No definition available. + Details
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- Definition The aggregate amount of all wholesale deposit accounts including certificates of deposits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of time deposits maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of time deposits maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of time deposits maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of time deposits maturing in the second fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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