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OPERATING LEASE RIGHT-OF-USE ASSETS AND LIABILITIES (Tables)
 12 Months Ended
Sep. 30, 2021
Leases [Abstract]  
Schedule of Operating Lease Payments Undiscounted future minimum lease payments expected to be received for operating leases at September 30, 2021 were as follows:
(Dollars in Thousands)
2022$34,532 
202329,709 
202421,762 
202515,602 
20269,069 
Thereafter12,603 
Total undiscounted future minimum lease payments receivable for operating leases$123,277 
Undiscounted future minimum operating lease payments and a reconciliation to the amount recorded as operating lease liabilities at September 30, 2021 were as follows:
(Dollars in Thousands)
2022$4,687 
20234,180 
20244,152 
20254,027 
20263,195 
Thereafter21,732 
Total undiscounted future minimum lease payments 41,973 
Discount(5,423)
Total operating lease liabilities$36,550 
Lease Costs
The weighted-average discount rate and remaining lease term for operating leases at September 30, 2021 were as follows:
Weighted-average discount rate2.32 %
Weighted-average remaining lease term (years)10.85

The components of total lease costs for operating leases were as follows:
Fiscal Year Ended September 30,
(Dollars in Thousands)20212020
Lease expense$4,310 $3,454 
Short-term and variable lease cost193 496 
ROU asset impairment224 — 
Sublease income(591)(733)
Total lease cost for operating leases$4,136 $3,217