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Accumulated Other Comprehensive Income (Loss)
 9 Months Ended
Sep. 30, 2018
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 September 30, 2018 and December 31, 2017:
 
September 30, 2018
 
December 31, 2017
(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 securities available for sale
$
(88,481
)
 
$
(20,350
)
 
$
(68,131
)
 
$
(48,834
)
 
$
(17,889
)
 
$
(30,945
)
Unrealized losses on securities available for sale transferred to held to maturity
(98,532
)
 
(22,663
)
 
(75,869
)
 
—

 
—

 
—

Funded status of defined benefit plans
(134,513
)
 
(30,938
)
 
(103,575
)
 
(144,999
)
 
(53,650
)
 
(91,349
)
Total
$
(321,526
)
 
$
(73,951
)
 
$
(247,575
)
 
$
(193,833
)
 
$
(71,539
)
 
$
(122,294
)

The following table highlights changes in accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2018 and September 30, 2017:
 
Three months ended September 30, 2018
(Dollars in thousands)
Unrealized (losses) gains on securities available for sale1
 
Unrealized losses on securities available for sale transferred to held to maturity1
 
Defined benefit pension items1
 
Total
Beginning balance
$
(57,496
)
 
$
(80,876
)
 
$
(106,266
)
 
$
(244,638
)
Other comprehensive loss before reclassifications
(10,635
)
 
—

 
—

 
(10,635
)
Amounts reclassified from accumulated other comprehensive income
—

 
5,007

 
2,691

 
7,698

Net current period other comprehensive (loss) income
(10,635
)
 
5,007

 
2,691

 
(2,937
)
Ending balance
$
(68,131
)
 
$
(75,869
)
 
$
(103,575
)
 
$
(247,575
)
 
 
 
 
 
 
 
 
 
Three months ended September 30, 2017
 
Unrealized (losses) gains on securities available for sale1
 
Unrealized losses on securities available for sale transferred to held to maturity1
 
Defined benefit pension items1
 
Total
Beginning balance
$
(16,648
)
 
$
—

 
$
(86,195
)
 
$
(102,843
)
Other comprehensive income before reclassifications
9,895

 
—

 
—

 
9,895

Amounts reclassified from accumulated other comprehensive (loss) income
(842
)
 
—

 
1,466

 
624

Net current period other comprehensive income
9,053

 
—

 
1,466

 
10,519

Ending balance
$
(7,595
)
 
$
—

 
$
(84,729
)
 
$
(92,324
)
 
 
 
 
 
 
 
 
 
Nine months ended September 30, 2018
 
Unrealized (losses) gains on securities1
 
Unrealized losses on securities available for sale transferred to held to maturity1
 
Defined benefit pension items1
 
Total
Beginning balance
$
(30,945
)
 
$
—

 
$
(91,349
)
 
$
(122,294
)
Cumulative effect adjustments
(29,752
)
 
—

 
(20,300
)
 
(50,052
)
Other comprehensive loss before reclassifications
(7,434
)
 
(84,321
)
 
—

 
(91,755
)
Amounts reclassified from accumulated other comprehensive income
—

 
8,452

 
8,074

 
16,526

Net current period other comprehensive (loss) income
(7,434
)
 
(75,869
)
 
8,074

 
(75,229
)
Ending balance
$
(68,131
)
 
$
(75,869
)
 
$
(103,575
)
 
$
(247,575
)
 
 
 
 
 
 
 
 
 
Nine months ended September 30, 2017
 
Unrealized (losses) gains on securities1
 
Unrealized losses on securities available for sale transferred to held to maturity1
 
Defined benefit pension items1
 
Total
Beginning balance
$
(45,875
)
 
$
—

 
$
(89,317
)
 
$
(135,192
)
Other comprehensive income before reclassifications
41,218

 
—

 
—

 
41,218

Amounts reclassified from accumulated other comprehensive (loss) income
(2,938
)
 
—

 
4,588

 
1,650

Net current period other comprehensive income
38,280

 
—

 
4,588

 
42,868

Ending balance
$
(7,595
)
 
$
—

 
$
(84,729
)
 
$
(92,324
)
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, 2018 and September 30, 2017.
(Dollars in thousands)
 
Three months ended September 30, 2018
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
Amortization of unrealized losses on securities available for sale transferred to held to maturity
 
$
(6,502
)
 
Other
 
 
1,495

 
Income taxes
 
 
$
(5,007
)
 
Net Income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(19
)
 
Salaries and wages
     Actuarial losses
 
(3,476
)
 
Other
 
 
(3,495
)
 
Income before income taxes
 
 
804

 
Income taxes
 
 
$
(2,691
)
 
Net income
Total reclassifications for the period
 
$
(7,698
)
 
 
 
 
 
 
 
 
 
Three months ended September 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 securities available for sale
 
$
1,337

 
Securities gains, net
 
 
(495
)
 
Income taxes
 
 
$
842

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(53
)
 
Salaries and wages
     Actuarial losses
 
(2,277
)
 
Other
 
 
(2,330
)
 
Income before income taxes
 
 
864

 
Income taxes
 
 
$
(1,466
)
 
Net income
Total reclassifications for the period
 
$
(624
)
 
 
 
 
 
 
 
 
 
Nine months ended September 30, 2018
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
Amortization of unrealized losses on securities available for sale transferred to held to maturity
 
$
(10,975
)
 
Other
 
 
2,523

 
Income taxes
 
 
$
(8,452
)
 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(59
)
 
Salaries and wages
     Actuarial losses
 
(10,427
)
 
Other
 
 
(10,486
)
 
Employee benefits
 
 
2,412

 
Income taxes
 
 
$
(8,074
)
 
Net income
Total reclassifications for the period
 
$
(16,526
)
 
 
 
 
 
 
 
 
 
Nine months ended September 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 securities available for sale
 
$
4,664

 
Securities gains, net
 
 
(1,726
)
 
Income taxes
 
 
$
2,938

 
Net income
Amortization of defined benefit pension items
 
 
 
 
     Prior service costs
 
$
(158
)
 
Salaries and wages
     Actuarial losses
 
(7,132
)
 
Other
 
 
(7,290
)
 
Employee benefits
 
 
2,702

 
Income taxes
 
 
$
(4,588
)
 
Net income
Total reclassifications for the period
 
$
(1,650
)
 
 
1 Amounts in parentheses indicate debits to profit/loss.