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Accumulated Other Comprehensive Income (Loss)
 12 Months Ended
Sep. 30, 2017
Equity [Abstract]  
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)

The changes in accumulated other comprehensive income (loss) ("AOCI") by component during the years ended September 30, 2017, 2016 and 2015 are as follows (dollars in thousands):

 
Changes in fair value of available for sale securities [1]
 
Other-than-temporary impairment on held to maturity securities [1]
 
Total [1]
2017
 
 
 
 
 
Balance of AOCI at the beginning of period
$
4

 
$
(179
)
 
$
(175
)
Net change
(23
)
 
74

 
51

Balance of AOCI at the end of period
$
(19
)
 
$
(105
)
 
$
(124
)
 
 
 
 
 
 
2016
 
 
 
 
 
Balance of AOCI at the beginning of period
$
3

 
$
(316
)
 
$
(313
)
Net change
1

 
137

 
138

Balance of AOCI at the end of period
$
4

 
$
(179
)
 
$
(175
)
 
 
 
 
 
 
2015
 
 
 
 
 
Balance of AOCI at the beginning of period
$
37

 
$
(376
)
 
$
(339
)
Net change
(34
)
 
60

 
26

Balance of AOCI at the end of period
$
3

 
$
(316
)
 
$
(313
)
___________________
[1] All amounts are net of income taxes.