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Accumulated Other Comprehensive Income (Loss)
 9 Months Ended
Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Loss
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Accumulated other comprehensive income (loss) included the following as of September 30, 2016 and December 31, 2015:
 
September 30, 2016
 
December 31, 2015
(Dollars in thousands)
Accumulated
other
comprehensive
income (loss)
 
Deferred
tax expense
(benefit)
 
Accumulated
other
comprehensive
income (loss),
net of tax
 
Accumulated
other
comprehensive
loss
 
Deferred
tax benefit
 
Accumulated
other
comprehensive
loss,
net of tax
Unrealized gains (losses) on investment securities available for sale, net
$
48,618

 
$
18,288

 
$
30,330

 
$
(24,504
)
 
$
(9,379
)
 
$
(15,125
)
Unrealized loss on cash flow hedge
—

 
—

 
—

 
(1,429
)
 
(537
)
 
(892
)
Funded status of defined benefit plans
(73,117
)
 
(28,003
)
 
(45,114
)
 
(78,419
)
 
(29,996
)
 
(48,423
)
Total
$
(24,499
)
 
$
(9,715
)
 
$
(14,784
)
 
$
(104,352
)
 
$
(39,912
)
 
$
(64,440
)
The following table highlights changes in accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2016 and September 30, 2015:
 
Three months ended September 30, 2016
(Dollars in thousands)
Unrealized gains (losses) on available for sale securities1
 
Gains (losses) on cash flow hedges1
 
Defined benefit pension items1
 
Total
Beginning balance
$
31,213

 
$
—

 
$
(46,240
)
 
$
(15,027
)
Other comprehensive loss before reclassifications
(722
)
 
—

 
—

 
(722
)
Amounts reclassified from accumulated other comprehensive income (loss)
(161
)
 
—

 
1,126

 
965

Net current period other comprehensive (loss) income
(883
)
 
—

 
1,126

 
243

Ending balance
$
30,330

 
$
—

 
$
(45,114
)
 
$
(14,784
)
 
 
 
 
 
 
 
 
 
Three months ended September 30, 2015
 
Unrealized gains (losses) on available for sale securities1
 
Gains (losses) on cash flow hedges1
 
Defined benefit pension items1
 
Total
Beginning balance
$
2,604

 
$
(1,875
)
 
$
(51,888
)
 
$
(51,159
)
Other comprehensive income before reclassifications
17,494

 
421

 
—

 
17,915

Amounts reclassified from accumulated other comprehensive income (loss)
(3,470
)
 
—

 
1,838

 
(1,632
)
Net current period other comprehensive income
14,024

 
421

 
1,838

 
16,283

Ending balance
$
16,628

 
$
(1,454
)
 
$
(50,050
)
 
$
(34,876
)
 
 
 
 
 
 
 
 
 
Nine months ended September 30, 2016
 
Unrealized gains (losses) on available for sale securities1
 
Gains (losses) on cash flow hedges1
 
Defined benefit pension items1
 
Total
Beginning balance
$
(15,125
)
 
$
(892
)
 
$
(48,423
)
 
$
(64,440
)
Other comprehensive income before reclassifications
56,381

 
892

 
—

 
57,273

Amounts reclassified from accumulated other comprehensive income (loss)
(10,926
)
 
—

 
3,309

 
(7,617
)
Net current period other comprehensive income
45,455

 
892

 
3,309

 
49,656

Ending balance
$
30,330

 
$
—

 
$
(45,114
)
 
$
(14,784
)
 
 
 
 
 
 
 
 
 
Nine months ended September 30, 2015
 
Unrealized gains (losses) on available for sale securities1
 
Gains (losses) on cash flow hedges1
 
Defined benefit pension items1
 
Total
Beginning balance
$
5,098

 
$
(2,664
)
 
$
(55,415
)
 
$
(52,981
)
Other comprehensive income before reclassifications
18,222

 
1,210

 
—

 
19,432

Amounts reclassified from accumulated other comprehensive income (loss)
(6,692
)
 
—

 
5,365

 
(1,327
)
Net current period other comprehensive income
11,530

 
1,210

 
5,365

 
18,105

Ending balance
$
16,628

 
$
(1,454
)
 
$
(50,050
)
 
$
(34,876
)
1 All amounts are net of tax. Amounts in parentheses indicate debits.
The following table presents the amounts reclassified from accumulated other comprehensive income (loss) and the line item affected in the statement where net income is presented for the three and nine months ended September 30, 2016 and September 30, 2015:
(Dollars in thousands)
 
Three months ended September 30, 2016
Details about accumulated other comprehensive income (loss)
 
Amounts reclassified from accumulated other comprehensive income (loss)1
 
Affected line item in the statement where net income is presented
Unrealized gains and losses on available for sale securities
 
$
352

 
Securities gains
 
 
(191
)
 
Income taxes
 
 
$
161

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(54
)
 
Employee benefits
     Actuarial losses
 
(1,714
)
 
Employee benefits
 
 
(1,768
)
 
Employee benefits
 
 
642

 
Income taxes
 
 
$
(1,126
)
 
Net income
Total reclassifications for the period
 
$
(965
)
 
 
 
 
 
 
 
 
 
Three months ended September 30, 2015
Details about accumulated other comprehensive income (loss)
 
Amounts reclassified from accumulated other comprehensive income (loss)1
 
Affected line item in the statement where net income is presented
Unrealized gains and losses on available for sale securities
 
$
5,564

 
Securities gains
 
 
(2,094
)
 
Income taxes
 
 
$
3,470

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(53
)
 
Employee benefits
     Actuarial losses
 
(2,863
)
 
Employee benefits
 
 
(2,916
)
 
Employee benefits
 
 
1,078

 
Income taxes
 
 
$
(1,838
)
 
Net income
Total reclassifications for the period
 
$
1,632

 
 
 
 
 
 
 
 
 
Nine months ended September 30, 2016
Details about accumulated other comprehensive income (loss)
 
Amount reclassified from accumulated other comprehensive income (loss)1
 
Affected line item in the statement where net income is presented
Unrealized gains and losses on available for sale securities
 
$
17,509

 
Securities gains
 
 
(6,583
)
 
Income taxes
 
 
$
10,926

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(158
)
 
Employee benefits
     Actuarial losses
 
(5,144
)
 
Employee benefits
 
 
(5,302
)
 
Employee benefits
 
 
1,993

 
Income taxes
 
 
$
(3,309
)
 
Net income
Total reclassifications for the period
 
$
7,617

 
 
 
 
 
 
 
 
 
Nine months ended September 30, 2015
Details about accumulated other comprehensive income (loss)
 
Amount reclassified from accumulated other comprehensive income (loss)1
 
Affected line item in the statement where net income is presented
Unrealized gains and losses on available for sale securities
 
$
10,837

 
Securities gains
 
 
(4,145
)
 
Income taxes
 
 
$
6,692

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(158
)
 
Employee benefits
     Actuarial losses
 
(8,531
)
 
Employee benefits
 
 
(8,689
)
 
Employee benefits
 
 
3,324

 
Income taxes
 
 
$
(5,365
)
 
Net income
Total reclassifications for the period
 
$
1,327

 
 
1 Amounts in parentheses indicate debits to profit/loss.