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INCOME TAXES (Tables)
3 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
The Company’s effective tax rate in the future will depend in part on actual investment tax credits earned as part of its financing of solar energy projects.

The table below compares the income tax expense components for the periods presented.
Three Months Ended December 31,
2018
 
2017
(Dollars in Thousands)
 
 
 
Provision at statutory rate
$
3,072

 
$
2,540

Tax-exempt income
(1,201
)
 
(2,068
)
State income taxes
701

 
718

Interim period effective rate adjustment
5,263

 
717

Tax credit investments, net - federal
(9,568
)
 

Tax Reform rate adjustment

 
3,635

Other, net
42

 
142

Income tax expense
$
(1,691
)
 
$
5,684

Effective tax rate
(11.56
%)
 
54.90
%