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Accumulated Other Comprehensive Income (Loss)
 6 Months Ended
Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Loss
ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME
Accumulated other comprehensive loss included the following as of June 30, 2017 and December 31, 2016:
 
June 30, 2017
 
December 31, 2016
(Dollars in thousands)
Accumulated
other
comprehensive
loss
 
Deferred
tax benefit
 
Accumulated
other
comprehensive
loss,
net of tax
 
Accumulated
other
comprehensive
loss
 
Deferred
tax benefit
 
Accumulated
other
comprehensive
loss,
net of tax
Unrealized losses on investment securities available for sale
$
(26,167
)
 
$
(9,519
)
 
$
(16,648
)
 
$
(72,707
)
 
$
(26,832
)
 
$
(45,875
)
Funded status of defined benefit plans
(136,814
)
 
(50,619
)
 
(86,195
)
 
(141,774
)
 
(52,457
)
 
(89,317
)
Total
$
(162,981
)
 
$
(60,138
)
 
$
(102,843
)
 
$
(214,481
)
 
$
(79,289
)
 
$
(135,192
)

The following table highlights changes in accumulated other comprehensive (loss) income by component for the three and six months ended June 30, 2017 and June 30, 2016:
 
Three months ended June 30, 2017
(Dollars in thousands)
Unrealized (losses) gains on available for sale securities1
 
(Losses) gains on cash flow hedges1
 
Defined benefit pension items1
 
Total
Beginning balance
$
(23,183
)
 
$
—

 
$
(87,758
)
 
$
(110,941
)
Other comprehensive income before reclassifications
8,646

 
—

 
—

 
8,646

Amounts reclassified from accumulated other comprehensive (loss) income
(2,111
)
 
—

 
1,563

 
(548
)
Net current period other comprehensive income
6,535

 
—

 
1,563

 
8,098

Ending balance
$
(16,648
)
 
$
—

 
$
(86,195
)
 
$
(102,843
)
 
 
 
 
 
 
 
 
 
Three months ended June 30, 2016
 
Unrealized (losses) gains on available for sale securities1
 
(Losses) gains on cash flow hedges1
 
Defined benefit pension items1
 
Total
Beginning balance
$
24,034

 
$
(455
)
 
$
(47,403
)
 
$
(23,824
)
Other comprehensive income before reclassifications
14,915

 
455

 
—

 
15,370

Amounts reclassified from accumulated other comprehensive (loss) income
(7,736
)
 
—

 
1,163

 
(6,573
)
Net current period other comprehensive income
7,179

 
455

 
1,163

 
8,797

Ending balance
$
31,213

 
$
—

 
$
(46,240
)
 
$
(15,027
)
 
 
 
 
 
 
 
 
 
Six months ended June 30, 2017
 
Unrealized gains (losses) on available for sale securities1
 
(Losses) gains on cash flow hedges1
 
Defined benefit pension items1
 
Total
Beginning balance
$
(45,875
)
 
$
—

 
$
(89,317
)
 
$
(135,192
)
Other comprehensive income before reclassifications
31,323

 
—

 
—

 
31,323

Amounts reclassified from accumulated other comprehensive (loss) income
(2,096
)
 
—

 
3,122

 
1,026

Net current period other comprehensive income
29,227

 
—

 
3,122

 
32,349

Ending balance
$
(16,648
)
 
$
—

 
$
(86,195
)
 
$
(102,843
)
 
 
 
 
 
 
 
 
 
Six months ended June 30, 2016
 
Unrealized gains (losses) on available for sale securities1
 
(Losses) gains on cash flow hedges1
 
Defined benefit pension items1
 
Total
Beginning balance
$
(15,125
)
 
$
(892
)
 
$
(48,423
)
 
$
(64,440
)
Other comprehensive income before reclassifications
56,932

 
892

 
—

 
57,824

Amounts reclassified from accumulated other comprehensive (loss) income
(10,594
)
 
—

 
2,183

 
(8,411
)
Net current period other comprehensive income
46,338

 
892

 
2,183

 
49,413

Ending balance
$
31,213

 
$
—

 
$
(46,240
)
 
$
(15,027
)
1 All amounts are net of tax. Amounts in parentheses indicate debits.
The following table presents the amounts reclassified from accumulated other comprehensive (loss) income and the line item affected in the statement where net income is presented for the three and six months ended June 30, 2017 and June 30, 2016:
(Dollars in thousands)
 
Three months ended June 30, 2017
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
 
$
3,351

 
Securities gains
 
 
(1,240
)
 
Income taxes
 
 
$
2,111

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(53
)
 
Employee benefits
     Actuarial losses
 
(2,407
)
 
Employee benefits
 
 
(2,460
)
 
Employee benefits
 
 
897

 
Income taxes
 
 
$
(1,563
)
 
Net income
Total reclassifications for the period
 
$
548

 
 
 
 
 
 
 
 
 
Three months ended June 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
 
$
12,529

 
Securities gains
 
 
(4,793
)
 
Income taxes
 
 
$
7,736

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(52
)
 
Employee benefits
     Actuarial losses
 
(1,830
)
 
Employee benefits
 
 
(1,882
)
 
Employee benefits
 
 
719

 
Income taxes
 
 
$
(1,163
)
 
Net income
Total reclassifications for the period
 
$
6,573

 
 
 
 
 
 
 
 
 
Six months ended June 30, 2017
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
 
$
3,327

 
Securities gains
 
 
(1,231
)
 
Income taxes
 
 
$
2,096

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(105
)
 
Employee benefits
     Actuarial losses
 
(4,855
)
 
Employee benefits
 
 
(4,960
)
 
Employee benefits
 
 
1,838

 
Income taxes
 
 
$
(3,122
)
 
Net income
Total reclassifications for the period
 
$
(1,026
)
 
 
 
 
 
 
 
 
 
Six months ended June 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
 
$
17,157

 
Securities gains
 
 
(6,563
)
 
Income taxes
 
 
$
10,594

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(104
)
 
Employee benefits
     Actuarial losses
 
(3,430
)
 
Employee benefits
 
 
(3,534
)
 
Employee benefits
 
 
1,351

 
Income taxes
 
 
$
(2,183
)
 
Net income
Total reclassifications for the period
 
$
8,411

 
 
1 Amounts in parentheses indicate debits to profit/loss.