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Goodwill and CDI
12 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and CDI Goodwill and CDI
Goodwill
There were no changes to the recorded amount of goodwill for both years ended September 30, 2020 and 2018. 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 

CDI
During the year ended September 30, 2019, the Company recorded a CDI of $2,483,000 in connection with the South Sound Acquisition. The CDI amortization expense totaled $406,000 and $452,000 for the years ended September 30, 2020 and 2019, respectively.
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