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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)
 9 Months Ended
Sep. 30, 2016
Equity [Abstract]  
Schedule of changes in accumulated other comprehensive loss (AOCL)
The changes in Accumulated Other Comprehensive Loss (AOCL) for the three and nine months ended September 30, 2016 are as follows (in thousands):
 
 
 
 
 
 
 
 
 
Postretirement Liability Adjustment
 
Unrealized Gain (Loss) on Derivatives-Other
 
Unrealized Gain (Loss) on Available-for-Sale Securities
 
Total
Balance at July 1, 2016 (a)
$
(12,220
)
 
$
(530
)
 
$
(91
)
 
$
(12,841
)
Other comprehensive loss before reclassifications
—

 
—

 
167

 
167

   Amounts reclassified from AOCL (b)
—

 
7

 
(129
)
 
(122
)
Net current period other comprehensive income
—

 
7

 
38

 
45

Balance at September 30, 2016 (a)
$
(12,220
)
 
$
(523
)
 
$
(53
)
 
$
(12,796
)
 
 
 
 
 
 
 
 
 
Postretirement Liability Adjustment
 
Unrealized Gain (Loss) on Derivatives-Other
 
Unrealized Gain (Loss) on Available-for-Sale Securities
 
Total
Balance at January 1, 2016 (a)
$
(12,220
)
 
$
(544
)
 
$
(98
)
 
$
(12,862
)
Other comprehensive loss before reclassifications
—

 
—

 
304

 
304

   Amounts reclassified from AOCL (b)
—

 
21

 
(259
)
 
(238
)
Net current period other comprehensive income (loss)
—

 
21

 
45

 
66

Balance at September 30, 2016 (a)
$
(12,220
)
 
$
(523
)
 
$
(53
)
 
$
(12,796
)

(a) Determined using a combined average statutory tax rate of 40%.
(b) See table below.
Reclassifications out of AOCL
The reclassifications out of AOCL during the three and nine months ended September 30, 2016 are as follows (in thousands):
Components of AOCL
 
Amounts Reclassified from AOCL
 
Affected Line Item in the Condensed Statements of Income
 
Three Months Ended
September 30,
2016
 
Nine Months
Ended
September 30,
2016
 
Unrealized Loss in on Derivatives - Other - Interest Rate Contracts designated as cash flow hedges
 
$
12

 
$
36

 
Interest Charges
Income Taxes
 
(5
)
 
(15
)
 
Income Taxes (a)
 
 
$
7

 
$
21

 
 
 
 
 
 
 
 
 
Unrealized Gain on Available-for-Sale Securities
 
$
(217
)
 
$
(432
)
 
Other Income & Expense
Income Taxes
 
88

 
173

 
Income Taxes (a)
 
 
$
(129
)
 
$
(259
)
 
 
 
 
 
 
 
 
 
Gains from reclassifications for the period net of tax
 
$
(122
)
 
$
(238
)
 
 

(a) Determined using a combined average statutory tax rate of 40%.