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PENSION PLANS (Tables)
12 Months Ended
Dec. 31, 2017
Pension Plan  
PENSION PLANS  
Schedule of information pertaining to the defined benefit retirement plan
 
Year Ended December 31,
 
2017
 
2016
 
2015
 
(Dollars in thousands)
Components of net periodic benefit cost:
 

 
 

 
 

Interest cost
$
926

 
$
1,374

 
$
1,383

Expected return on plan assets
(1,036
)
 
(1,542
)
 
(1,893
)
Amortization of net actuarial losses
1,191

 
1,548

 
1,577

Settlement

 
3,847

 

Net periodic benefit cost
$
1,081

 
$
5,227

 
$
1,067

 
 
 
 
 
 
Net periodic cost actuarial assumptions:
 

 
 

 
 

Weighted average discount rate
4.1
%
 
4.3
%
 
4.0
%
Expected long-term rate of return on plan assets
5.5
%
 
6.0
%
 
7.0
%
The following tables set forth information pertaining to the defined benefit retirement plan:
 
 
Year Ended December 31,
 
2017
 
2016
 
(Dollars in thousands)
Change in benefit obligation:
 

 
 

Benefit obligation at beginning of year
$
23,677

 
$
33,067

Interest cost
926

 
1,374

Actuarial (gains) losses
752

 
1,039

Benefits paid
(1,884
)
 
(2,413
)
Annuity purchase

 
(9,390
)
Benefit obligation at end of the year
23,471

 
23,677

 
 
 
 
Change in plan assets, at fair value:
 

 
 

Fair value of plan assets at beginning of year
18,539

 
26,321

Actual return on plan assets
2,177

 
1,021

Employer contributions
4,000

 
3,000

Benefits paid
(1,884
)
 
(2,413
)
Annuity purchase

 
(9,390
)
Fair value of plan assets at end of year
22,832

 
18,539

 
 
 
 
Funded status at end of year
$
(639
)
 
$
(5,138
)
 
 
 
 
Amounts recognized in AOCI:
 

 
 

Net actuarial losses
$
(8,472
)
 
$
(10,052
)
 
 
 
 
Benefit obligation actuarial assumptions:
 

 
 

Weighted average discount rate
3.6
%
 
4.1
%
Schedule of asset allocations by asset category
The defined benefit retirement plan assets consist primarily of equity and debt securities. Our asset allocations by asset category were as follows:
 
 
December 31,
 
2017
 
2016
Equity securities
53.9
%
 
50.6
%
Debt securities
42.3

 
34.0

Other
3.8

 
15.4

Total
100.0
%
 
100.0
%
Schedule of fair values of the defined benefit retirement plan by asset category
 
Quoted Prices
in Active 
Markets for 
Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Total
 
(Dollars in thousands)
December 31, 2016
 

 
 

 
 

 
 

Money market accounts
$
2,852

 
$

 
$

 
$
2,852

Mutual funds
7,250

 

 

 
7,250

Government obligations

 
2,134

 

 
2,134

Common stocks
4,474

 

 

 
4,474

Preferred stocks
130

 

 

 
130

Corporate bonds and debentures

 
1,699

 

 
1,699

Total
$
14,706

 
$
3,833

 
$

 
$
18,539

The fair values of the defined benefit retirement plan as of December 31, 2017 and 2016 by asset category were as follows:
 
 
Quoted Prices
in Active 
Markets for 
Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Total
 
(Dollars in thousands)
December 31, 2017
 

 
 

 
 

 
 

Money market accounts
$
858

 
$

 
$

 
$
858

Mutual funds
12,258

 

 

 
12,258

Government obligations

 
1,942

 

 
1,942

Common stocks
5,509

 

 

 
5,509

Preferred stocks
176

 

 

 
176

Corporate bonds and debentures

 
2,089

 

 
2,089

Total
$
18,801

 
$
4,031

 
$

 
$
22,832

Schedule of estimated future benefit payments
Estimated future benefit payments in each of the next five years and in the aggregate for the five years thereafter are as follows (in thousands):
 
Year Ending December 31:
 
2018
$
1,852

2019
1,819

2020
1,777

2021
1,737

2022
1,672

2023-2027
7,460

Total
$
16,317

SERPs  
PENSION PLANS  
Schedule of information pertaining to the defined benefit retirement plan
 
Year Ended December 31,
 
2017
 
2016
 
2015
 
(Dollars in thousands)
Components of net periodic benefit cost
 

 
 

 
 

Interest cost
$
429

 
$
465

 
$
440

Amortization of net actuarial (gains) losses
102

 
51

 
111

Amortization of net transition obligation
18

 
17

 
16

Amortization of prior service cost
18

 
18

 
18

Settlement
138

 

 

Net periodic benefit cost
$
705

 
$
551

 
$
585

 
 
 
 
 
 
Net periodic cost actuarial assumptions
 

 
 

 
 

Weighted average discount rate
4.1
%
 
4.4
%
 
4.1
%
The following tables set forth information pertaining to the SERP:
 
 
Year Ended December 31,
 
2017
 
2016
 
(Dollars in thousands)
Change in benefit obligation
 

 
 

Benefit obligation at beginning of year
$
10,292

 
$
10,651

Interest cost
429

 
465

Actuarial (gains) losses
1,708

 
(598
)
Benefits paid
(1,210
)
 
(226
)
Benefit obligation at end of year
11,219

 
10,292

 
 
 
 
Change in plan assets
 

 
 

Fair value of plan assets at beginning of year

 

Employer contributions
1,209

 
226

Benefits paid
(1,209
)
 
(226
)
Fair value of plan assets at end of year

 

 
 
 
 
Funded status at end of year
$
(11,219
)
 
$
(10,292
)
 
 
 
 
Amounts recognized in AOCI
 
 
 

Net transition obligation
$
(100
)
 
$
(112
)
Prior service cost
(49
)
 
(66
)
Net actuarial losses
(2,163
)
 
(701
)
Total amounts recognized in AOCI
$
(2,312
)
 
$
(879
)
 
 
 
 
Benefit obligation actuarial assumptions
 

 
 

Weighted average discount rate
3.5
%
 
4.1
%
Schedule of estimated amortization of components included in AOCI that will be recognized into net periodic cost in the next fiscal year
The estimated amortization of components included in AOCI that will be recognized into net periodic benefit cost for 2018 is as follows (in thousands):
 
Amortization of net actuarial losses
$
102

Amortization of net transition obligation
18

Amortization of prior service cost
18

Schedule of estimated future benefit payments
Estimated future benefit payments reflecting expected future service for the SERP in each of the next five years and in the aggregate for the five years thereafter are as follows (in thousands):
 
Year Ending December 31:
 
2018
$
351

2019
347

2020
340

2021
325

2022
316

2023-2027
3,212

Total
$
4,891