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LEASES (Tables) | 3 Months Ended
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Dec. 31, 2022
LEASES |
Schedule of components of lease costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended
​ | ​ | December 31, | ​ | December 31,
(Dollars in thousands) |  | 2022 |  | 2021
Finance lease cost | ​ | ​ |  | ​ | ​ |
Amortization of right-of-use assets | ​ | $ | 393 | ​ | ​ | 433
Interest on lease liabilities | ​ |  | 236 | ​ |  | 267
Operating lease cost | ​ |  | 1,645 | ​ |  | 1,561
Total lease costs | ​ | $ | 2,274 | ​ | ​ | 2,261
​
Schedule of additional information related to leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended | ​
​ | ​ | December 31, | ​ | December 31, | ​
(Dollars in thousands) |  | 2022 |  | 2021 | ​
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ |  | ​ | ​ |  | ​
Operating cash flows from operating leases | ​ | $ | 1,601 | ​ | ​ | 1,503 | ​
Operating cash flows from finance leases | ​ |  | 236 | ​ |  | 267 | ​
Financing cash flows from finance leases | ​ |  | 327 | ​ |  | 361 | ​
Right-of-use assets obtained in exchange for lease liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating leases | ​ | $ | 13,964 | ​ | ​ | 901 | ​
Weighted-average remaining lease term | ​ |  | ​ | ​ |  | ​ | ​
Operating leases | ​ |  | 11.6 | years |  | 9.9 | years
Finance leases | ​ |  | 11.7 | years |  | 12.5 | years
Weighted-average discount rate | ​ |  | ​ | ​ |  | ​ | ​
Operating leases | ​ |  | 4.36 | % |  | 3.12 | %
Finance leases | ​ |  | 4.60 | % |  | 4.58 | %
​
Schedule of reconciliation of future undiscounted cash flows to the operating and finance lease liabilities, and the related ROU assets | The following is a reconciliation of future undiscounted cash flows to the operating and finance lease liabilities, and the related ROU assets, presented on the Consolidated Balance Sheet on December 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​
(Dollars in thousands) | ​ | Operating |  | Finance
Years Ending September 30: |  | Leases |  | Leases
2023 (excluding the three months ended December 31, 2022) | ​ | $ | 5,303 |  | 1,693
2024 | ​ |  | 6,280 |  | 2,315
2025 | ​ |  | 4,955 |  | 2,370
2026 | ​ |  | 4,073 |  | 2,434
2027 and thereafter | ​ |  | 36,443 |  | 18,997
Total minimum lease payments | ​ |  | 57,054 |  | 27,809
Less: amounts representing interest | ​ |  | 13,296 |  | 6,954
Present value of net minimum lease payments | ​ | $ | 43,758 |  | 20,855
Less: current portion of lease obligations | ​ |  | 5,412 |  | 1,359
Non-current portion of lease obligations | ​ | $ | 38,346 |  | 19,496
​ | ​ | ​ | ​ | ​ | ​
ROU assets | ​ | $ | 42,156 |  | 16,950
​

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- Definition The tabular disclosure for reconciliation of future undiscounted cash flows to the operating and finance lease liabilities, and the related ROU assets. + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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