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LEASES (Tables) | 9 Months Ended
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Jun. 30, 2021
LEASES |
Schedule of components of lease costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended
​ | ​ | June 30, | ​ | June 30,
(Dollars in thousands) |  | 2021 |  | 2020
Finance lease cost | ​ | ​ |  | ​ | ​ |
Amortization of right-of-use assets | ​ | $ | 492 | ​ | $ | 540
Interest on lease liabilities | ​ |  | 306 | ​ |  | 319
Operating lease cost | ​ |  | 1,471 | ​ |  | 1,474
Total lease costs | ​ | $ | 2,269 | ​ | $ | 2,333
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Nine Months |  | Nine Months
​ | ​ | Ended | ​ | Ended
​ | ​ | June 30, | ​ | June 30,
(Dollars in thousands) |  | 2021 |  | 2020
Finance lease cost | ​ | ​ | ​ | ​ | ​ | ​
Amortization of right-of-use assets | ​ | $ | 1,477 | ​ | $ | 1,622
Interest on lease liabilities | ​ |  | 929 | ​ |  | 970
Operating lease cost | ​ |  | 4,347 | ​ |  | 4,399
Total lease costs | ​ | $ | 6,753 | ​ | $ | 6,991
Schedule of additional information related to leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
(Dollars in thousands) |  | 2021 |  | 2020 | ​
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ |  | ​ | ​ |  | ​
Operating cash flows from operating leases | ​ | $ | 1,320 | ​ | $ | 1,452 | ​
Operating cash flows from finance leases | ​ |  | 306 | ​ |  | 319 | ​
Financing cash flows from finance leases | ​ |  | 428 | ​ |  | 418 | ​
Right-of-use assets obtained in exchange for operating lease liabilities | ​ | ​ | 12,780 | ​ | ​ | 53 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Nine Months |  | Nine Months
​ | ​ | June 30, | ​ | June 30,
(Dollars in thousands) |  | 2021 |  | 2020
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ | ​ | ​ | ​ | ​
Operating cash flows from operating leases | ​ | $ | 4,102 | ​ | $ | 4,334
Operating cash flows from finance leases | ​ |  | 915 | ​ |  | 655
Financing cash flows from finance leases | ​ |  | 1,261 | ​ |  | 1,145
Right-of-use assets obtained in exchange for operating lease liabilities | ​ | ​ | 12,780 | ​ |  | 22,072
​
​ | ​ | ​ | ​ | ​ | ​
Weighted-average remaining lease term |  | June 30, 2021 |  | June 30, 2020 |
Operating leases |  | 10.31 years |  | 6.64 years | ​
Finance leases |  | 11.86 years |  | 12.76 years | ​
Weighted-average discount rate |  |  |  |  | ​
Operating leases |  | 3.12 | % | 3.14 | %
Finance leases |  | 4.31 | % | 4.29 | %
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
2021 (excluding the nine months ended June 30, 2021) | ​ | $ | 1,378 |  | ​ | 739
2022 | ​ |  | 5,093 |  | ​ | 3,015
2023 | ​ |  | 4,324 |  | ​ | 3,098
2024 | ​ |  | 3,677 |  | ​ | 3,181
2025 and thereafter | ​ |  | 21,976 |  | ​ | 28,285
Total minimum lease payments | ​ |  | 36,448 |  | ​ | 38,318
Less: amounts representing interest | ​ |  | 5,460 |  |  | 9,320
Present value of net minimum lease payments | ​ | $ | 30,988 |  | ​ | 28,998
Less: current portion of lease obligations | ​ |  | 4,530 |  | ​ | 1,859
Non-current portion of lease obligations | ​ | ​ | 26,458 |  | ​ | 27,139
​ | ​ | ​ | ​ | ​ | ​ | ​
ROU assets | ​ | $ | 30,426 |  | ​ | 24,689

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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 http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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