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INCOME TAXES (Tables)
 6 Months Ended
Jun. 30, 2018
Income Tax Disclosure [Abstract]  
Reconciliation of income tax expense (benefit)
The actual income tax expense (benefit) for the three and six months ended June 30, 2018 and 2017 differed from the “expected” income tax expense (benefit) for those periods (computed by applying the United States federal corporate tax rates of 21 percent during 2018 and 35 percent during 2017 to income (loss) before income tax) as follows:
 
 
Three months ended 
 June 30,
 
Six months ended 
 June 30,
($ in thousands)
 
2018
 
2017
 
2018
 
2017
Computed "expected" income tax expense (benefit)
 
$
(1,622
)
 
$
2,530

 
$
(1,733
)
 
$
5,484

Increases (decreases) in tax resulting from:
 
 
 
 
 
 
 
 
Incremental benefit of net operating loss carry back
 
(839
)
 
—

 
(839
)
 
—

Tax-exempt interest income
 
(297
)
 
(761
)
 
(607
)
 
(1,466
)
Dividends received deduction
 
(151
)
 
(348
)
 
(274
)
 
(654
)
Proration of tax-exempt interest and dividends received deduction
 
112

 
166

 
220

 
318

Other, net
 
70

 
138

 
54

 
(321
)
Total income tax expense (benefit)
 
$
(2,727
)
 
$
1,725

 
$
(3,179
)
 
$
3,361