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MSRs (Tables)
 12 Months Ended
Sep. 30, 2016
Transfers and Servicing [Abstract]  
Analysis of the changes in MSRs
The following is an analysis of the changes in MSRs for the years ended September 30, 2016, 2015 and 2014 (dollars in thousands):
 
2016

 
2015

 
2014

Balance, beginning of year
$
1,478

 
$
1,684

 
$
2,266

Additions
650

 
635

 
387

Amortization
(555
)
 
(841
)
 
(969
)
Balance, end of year
$
1,573

 
$
1,478

 
$
1,684