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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
 9 Months Ended
Sep. 30, 2017
Equity [Abstract]  
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

Shareholders’ equity is affected by transactions and valuations of asset and liability positions that require adjustments to accumulated other comprehensive income (loss).  The related tax effects allocated to other comprehensive income and reclassifications out of accumulated other comprehensive income (loss) are as follows:
 
Three months ended September 30, 2017
 
Total other comprehensive income
 
Total accumulated
other comprehensive income
(Dollars in thousands)
Prior to
Reclassification
 
Reclassification
from
 
Pre-tax
 
Tax-effect
 
Net of tax
 
Beginning Balance
 
Net Activity
 
Ending Balance
Unrealized gain (loss) on investment securities
$
2,612

 
$
276

 
$
2,336

 
$
(835
)
 
$
1,501

 
$
1,014

 
$
1,501

 
$
2,515

Unrealized gain (loss) on derivatives
202

 
0

 
202

 
(73
)
 
129

 
(835
)
 
129

 
(706
)
Retirement obligation
0

 
(335
)
 
335

 
(122
)
 
213

 
(22,401
)
 
213

 
(22,188
)
Total
$
2,814

 
$
(59
)
 
$
2,873

 
$
(1,030
)
 
$
1,843

 
$
(22,222
)
 
$
1,843

 
$
(20,379
)
 
Three months ended September 30, 2016
 
Total other comprehensive income
 
Total accumulated
other comprehensive income
(Dollars in thousands)
Prior to
Reclassification
 
Reclassification
from
 
Pre-tax
 
Tax-effect
 
Net of tax
 
Beginning Balance
 
Net Activity
 
Ending Balance
Unrealized gain (loss) on investment securities
$
99

 
$
398

 
$
(299
)
 
$
137

 
$
(162
)
 
$
7,302

 
$
(162
)
 
$
7,140

Unrealized gain (loss) on derivatives
202

 
0

 
202

 
(74
)
 
128

 
(1,343
)
 
128

 
(1,215
)
Retirement obligation
0

 
(317
)
 
317

 
(117
)
 
200

 
(23,647
)
 
200

 
(23,447
)
Total
$
301

 
$
81

 
$
220

 
$
(54
)
 
$
166

 
$
(17,688
)
 
$
166

 
$
(17,522
)
 
Nine months ended September 30, 2017
 
Total other comprehensive income
 
Total accumulated
other comprehensive income (loss)
(Dollars in thousands)
Prior to
Reclassification
 
Reclassification
from
 
Pre-tax
 
Tax-effect
 
Net of tax
 
Beginning Balance
 
Net Activity
 
Ending Balance
Unrealized gain (loss) on investment securities
$
12,614

 
$
1,630

 
$
10,984

 
$
(3,920
)
 
$
7,064

 
$
(4,549
)
 
$
7,064

 
$
2,515

Unrealized gain (loss) on derivatives
607

 
0

 
607

 
(222
)
 
385

 
(1,091
)
 
385

 
(706
)
Retirement obligation
0

 
(1,005
)
 
1,005

 
(390
)
 
615

 
(22,803
)
 
615

 
(22,188
)
Total
$
13,221

 
$
625

 
$
12,596

 
$
(4,532
)
 
$
8,064

 
$
(28,443
)
 
$
8,064

 
$
(20,379
)
 
Nine months ended September 30, 2016
 
Total other comprehensive income
 
Total accumulated
other comprehensive income (loss)
(Dollars in thousands)
Prior to
Reclassification
 
Reclassification
from
 
Pre-tax
 
Tax-effect
 
Net of tax
 
Beginning Balance
 
Net Activity
 
Ending Balance
Unrealized gain (loss) on investment securities
$
18,951

 
$
234

 
$
18,717

 
$
(6,644
)
 
$
12,073

 
$
(4,933
)
 
$
12,073

 
$
7,140

Unrealized gain (loss) on derivatives
607

 
0

 
607

 
(223
)
 
384

 
(1,599
)
 
384

 
(1,215
)
Retirement obligation
0

 
(951
)
 
951

 
(350
)
 
601

 
(24,048
)
 
601

 
(23,447
)
Total
$
19,558

 
$
(717
)
 
$
20,275

 
$
(7,217
)
 
$
13,058

 
$
(30,580
)
 
$
13,058

 
$
(17,522
)


The following table presents the activity reclassified from accumulated other comprehensive income into income during the three and nine month periods ended September 30, 2017 and 2016, respectively:
 
 
Amount reclassified from
accumulated other comprehensive income (1)
 
 
 
 
Three months ended
 
Nine months ended
 
 
 
 
September 30,
 
September 30,
 
 
(Dollars in thousands)
 
2017
 
2016
 
2017
 
2016
 
Affected Line Item in the Consolidated Statements of Income
Realized gains and losses on securities available-for-sale
 
$
276

 
$
398

 
$
1,630

 
$
234

 
Net gains on sales of investments securities
Defined benefit pension plan
 
 
 
 
 
 
 
 
Amortization of prior service cost (2)
 
103

 
103

 
310

 
310

 
Salaries and employee benefits
Recognized net actuarial loss (2)
 
(438
)
 
(420
)
 
(1,315
)
 
(1,261
)
 
Salaries and employee benefits
Defined benefit pension plan total
 
(335
)
 
(317
)
 
(1,005
)
 
(951
)
 
 
Total reclassifications for the period, before tax
 
$
(59
)
 
$
81

 
$
625

 
$
(717
)
 
 
(1) Negative amounts are reductions to net income.
(2) Included in the computation of net periodic pension cost (see Note 12 - Employee Benefit Plans for additional details).