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LEASES (Tables) | 6 Months Ended
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Mar. 31, 2023
LEASES |
Schedule of components of lease costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended
​ | ​ | March 31, | ​ | March 31,
(Dollars in thousands) |  | 2023 |  | 2022
Finance lease cost | ​ | ​ |  | ​ | ​ |
Amortization of right-of-use assets | ​ | $ | 393 | ​ | $ | 393
Interest on lease liabilities | ​ |  | 233 | ​ |  | 245
Operating lease cost | ​ |  | 1,853 | ​ |  | 1,578
Total lease costs | ​ | $ | 2,479 | ​ | $ | 2,216
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Six Months |  | Six Months
​ | ​ | Ended | ​ | Ended
​ | ​ | March 31, | ​ | March 31,
(Dollars in thousands) |  | 2023 |  | 2022
Finance lease cost | ​ | ​ | ​ | ​ | ​ | ​
Amortization of right-of-use assets | ​ | $ | 786 | ​ | $ | 826
Interest on lease liabilities | ​ |  | 469 | ​ |  | 511
Operating lease cost | ​ |  | 3,498 | ​ |  | 3,131
Total lease costs | ​ | $ | 4,753 | ​ | $ | 4,468
​
Schedule of additional information related to leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended |  | Three Months Ended
​ | ​ | March 31, | ​ | March 31,
(Dollars in thousands) | ​ | 2023 | ​ | 2022
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ | ​ | ​ | ​ | ​
Operating cash flows from operating leases | ​ | $ | 1,779 | ​ | $ | 1,512
Operating cash flows from finance leases | ​ |  | 233 | ​ |  | 245
Financing cash flows from finance leases | ​ |  | 330 | ​ |  | 304
Right-of-use assets obtained in exchange for operating lease liabilities | ​ |  | 618 | ​ |  | 346
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended | ​ | Six Months Ended | ​
​ | ​ | March 31, | ​ | March 31, | ​
(Dollars in thousands) |  | 2023 |  | 2022 | ​
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ |  | ​ | ​ |  | ​
Operating cash flows from operating leases | ​ | $ | 3,380 | ​ | $ | 3,008 | ​
Operating cash flows from finance leases | ​ |  | 469 | ​ |  | 511 | ​
Financing cash flows from finance leases | ​ |  | 658 | ​ |  | 665 | ​
Right-of-use assets obtained in exchange for operating lease liabilities | ​ | ​ | 14,582 | ​ | ​ | 1,247 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | March 31, 2023 | ​ | ​ | March 31, 2022 | ​
Weighted-average remaining lease term | ​ |  | ​ | ​ |  | ​ | ​
Operating leases | ​ |  | 11.5 | years |  | 9.9 | years
Finance leases | ​ |  | 11.5 | years |  | 12.3 | years
Weighted-average discount rate | ​ |  | ​ | ​ |  | ​ | ​
Operating leases | ​ |  | 4.40 | % |  | 3.12 | %
Finance leases | ​ |  | 4.61 | % |  | 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 our Consolidated Balance Sheet on March 31, 2023: ​
​ | ​ | ​ | ​ | ​ | ​
(Dollars in thousands) | ​ | Operating |  | Finance
Years Ending September 30: |  | Leases |  | Leases
2023 (excluding the six months ended March 31, 2023) | ​ | $ | 3,579 |  | 1,130
2024 | ​ |  | 6,387 |  | 2,315
2025 | ​ |  | 5,085 |  | 2,370
2026 | ​ |  | 4,213 |  | 2,434
2027 and thereafter | ​ |  | 36,773 |  | 18,996
Total minimum lease payments | ​ |  | 56,037 |  | 27,245
Less: amounts representing interest | ​ |  | 12,936 |  | 6,721
Present value of net minimum lease payments | ​ | $ | 43,101 |  | 20,524
Less: current portion of lease obligations | ​ |  | 5,444 |  | 1,387
Non-current portion of lease obligations | ​ | ​ | 37,657 |  | 19,137
​ | ​ | ​ | ​ | ​ | ​
ROU assets | ​ | $ | 41,418 |  | 16,557
​

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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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