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LEASES (Tables) | 9 Months Ended
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Jun. 30, 2023
LEASES |
Schedule of components of lease costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended
​ | ​ | June 30, | ​ | June 30,
(Dollars in thousands) |  | 2023 |  | 2022
Finance lease cost | ​ | ​ |  | ​ | ​ |
Amortization of right-of-use assets | ​ | $ | 393 | ​ | $ | 393
Interest on lease liabilities | ​ |  | 230 | ​ |  | 242
Operating lease cost | ​ |  | 1,858 | ​ |  | 1,577
Total lease costs | ​ | $ | 2,481 | ​ | $ | 2,212
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Nine Months |  | Nine Months
​ | ​ | Ended | ​ | Ended
​ | ​ | June 30, | ​ | June 30,
(Dollars in thousands) |  | 2023 |  | 2022
Finance lease cost | ​ | ​ | ​ | ​ | ​ | ​
Amortization of right-of-use assets | ​ | $ | 1,179 | ​ | $ | 1,219
Interest on lease liabilities | ​ |  | 698 | ​ |  | 753
Operating lease cost | ​ |  | 5,356 | ​ |  | 4,731
Total lease costs | ​ | $ | 7,233 | ​ | $ | 6,703
Schedule of additional information related to leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended |  | Three Months Ended
​ | ​ | June 30, | ​ | June 30,
(Dollars in thousands) | ​ | 2023 | ​ | 2022
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ | ​ | ​ | ​ | ​
Operating cash flows from operating leases | ​ | $ | 1,792 | ​ | $ | 1,485
Operating cash flows from finance leases | ​ |  | 230 | ​ |  | 242
Financing cash flows from finance leases | ​ |  | 334 | ​ |  | 307
Right-of-use assets obtained in exchange for operating lease liabilities | ​ |  | 402 | ​ |  | 566
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine Months Ended | ​ | Nine Months Ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
(Dollars in thousands) |  | 2023 |  | 2022 | ​
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ |  | ​ | ​ |  | ​
Operating cash flows from operating leases | ​ | $ | 5,172 | ​ | $ | 4,521 | ​
Operating cash flows from finance leases | ​ |  | 698 | ​ |  | 753 | ​
Financing cash flows from finance leases | ​ |  | 991 | ​ |  | 971 | ​
Right-of-use assets obtained in exchange for operating lease liabilities | ​ | ​ | 14,984 | ​ | ​ | 1,813 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | June 30, 2023 | ​ | ​ | June 30, 2022 | ​
Weighted-average remaining lease term | ​ |  | ​ | ​ |  | ​ | ​
Operating leases | ​ |  | 11.4 | years |  | 9.7 | years
Finance leases | ​ |  | 11.3 | years |  | 12.0 | years
Weighted-average discount rate | ​ |  | ​ | ​ |  | ​ | ​
Operating leases | ​ |  | 4.42 | % |  | 3.12 | %
Finance leases | ​ |  | 4.62 | % |  | 4.59 | %
Schedule of reconciliation of future undiscounted cash flows to the operating and finance lease liabilities, and the related ROU assets | ​
​ | ​ | ​ | ​ | ​ | ​
(Dollars in thousands) | ​ | Operating |  | Finance
Years Ending September 30: |  | Leases |  | Leases
2023 (excluding the nine months ended June 30, 2023) | ​ | $ | 1,796 |  | 566
2024 | ​ |  | 6,458 |  | 2,315
2025 | ​ |  | 5,168 |  | 2,370
2026 | ​ |  | 4,300 |  | 2,434
2027 and thereafter | ​ |  | 36,913 |  | 18,997
Total minimum lease payments | ​ |  | 54,635 |  | 26,682
Less: amounts representing interest | ​ |  | 12,570 |  | 6,491
Present value of net minimum lease payments | ​ | $ | 42,065 |  | 20,191
Less: current portion of lease obligations | ​ |  | 5,250 |  | 1,415
Non-current portion of lease obligations | ​ | ​ | 36,815 |  | 18,776
​ | ​ | ​ | ​ | ​ | ​
ROU assets | ​ | $ | 40,314 |  | 16,164

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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 -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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