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OPERATING LEASE RIGHT-OF-USE ASSETS AND LIABILITIES (Tables)
 6 Months Ended
Mar. 31, 2023
Leases [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
Future minimum lease payments expected to be received for operating leases at March 31, 2023 were as follows:
(Dollars in thousands)
Remaining in 2023$20,951 
202435,326 
202527,772 
202619,091 
202712,569 
Thereafter12,758 
Total $128,467 
Undiscounted future minimum operating lease payments and a reconciliation to the amount recorded as operating lease liabilities at March 31, 2023 were as follows:
(Dollars in thousands)
Remaining in 2023$2,045 
20243,913 
20253,718 
20263,195 
20273,092 
Thereafter18,639 
Total undiscounted future minimum lease payments 34,602 
Discount(4,169)
Total operating lease liabilities$30,433 
Weighted-Average Discount Rate and Remaining Lease Term for Operating Leases
The weighted-average discount rate and remaining lease term for operating leases at March 31, 2023 were as follows:
Weighted-average discount rate2.36 %
Weighted-average remaining lease term (years)9.98

The components of total lease costs for operating leases were as follows:
Three Months Ended March 31,Six Months Ended March 31,
(Dollars in thousands)2023202220232022
Lease expense$982 $1,119 $1,996 $2,256 
Short-term and variable lease cost42 40 84 75 
Sublease income(339)(355)(672)(531)
Total lease cost for operating leases$685 $804 $1,408 $1,800