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Goodwill and CDI (Tables)
12 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill The following table presents the change in the recorded amount of goodwill for the year ended September 30, 2019 (dollars in thousands).
Balance, beginning of year$5,650 
Addition as a result of the South Sound Acquisition (see Note 2)
9,481 
Balance, end of year
$15,131 
Amortization expense for the CDI for fiscal years ending subsequent to September 30, 2020 is estimated to be as follows (dollars in thousands):

2021$361 
2022316 
2023271 
2024226 
2025180 
Thereafter271 
      Total$1,625