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Employee Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2018
Retirement Benefits [Abstract]  
Schedule of Changes in Projected Benefit Obligations
Funded Status at End of Year:
 
 
 
 
 
 
 
Net accrued benefit cost

($28,610
)
 

($30,609
)
 

($1,303
)
 

($1,420
)
The following tables set forth the change in the projected benefit obligation and plan assets and reconcile the funded status and the amounts recognized in the Consolidated Balance Sheets for the pension and postretirement benefit plans for the two years ended December 31:
 
Pension
 
Postretirement
 
2018
 
2017
 
2018
 
2017
Change in Projected Benefit Obligation
 
 
 
 
 
 
 
Projected benefit obligation at beginning of year

$87,986

 

$81,752

 

$1,420

 

$1,285

Service cost

 

 
7

 
6

Interest cost
3,021

 
3,259

 
38

 
53

Actuarial (gain) loss
(8,160
)
 
6,123

 
(149
)
 
89

Benefits paid
(3,288
)
 
(3,148
)
 
(13
)
 
(13
)
Projected benefit obligation at end of year

$79,559

 

$87,986

 

$1,303

 

$1,420

Schedule of Changes in Fair Value of Plan Assets
Change in Plan Assets
 
 
 
 
 
 
 
Fair value of plan assets at beginning of year

$57,377

 

$51,114

 

 

Actual return on plan assets
(4,638
)
 
9,909

 

 

Employer contributions
2,829

 
90

 
13

 
13

Benefits paid
(4,002
)
 
(3,148
)
 
(13
)
 
(13
)
Other expense
(617
)
 
(588
)
 

 

Fair value of plan assets at end of year

$50,949

 

$57,377

 

 

Schedule of Amounts Recognized in Balance Sheet
Amounts Recognized in the Consolidated
 
 
 
 
 
 
 
Balance Sheets Consist of:
 
 
 
 
 
 
 
Current liabilities

($86
)
 

($92
)
 

($27
)
 

($32
)
Noncurrent liabilities
(28,524
)
 
(30,517
)
 
(1,276
)
 
(1,388
)
Net amount recognized

($28,610
)
 

($30,609
)
 

($1,303
)
 

($1,420
)
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) Net gains or losses recognized in other comprehensive income for the three years ended December 31 are as follows:
 
Pension
 
Postretirement
 
2018
 
2017
 
2016
 
2018
 
2017
 
2016
Net (losses) gains

($1,743
)
 

($583
)
 

$3,119

 

$149

 

($89
)
 

($99
)
Net gains or losses and prior service costs or credits reclassified from other comprehensive income and recognized as a component of pension and postretirement expense for the three years ended December 31 are as follows:
 
Pension
 
Postretirement
 
2018
 
2017
 
2016
 
2018
 
2017
 
2016
Amortization of losses (gains)

$673

 

$466

 

$2,526

 

$2

 

($1
)
 

($13
)
Amortization of prior service cost

 

 

 

 

 

Schedule of Net Periodic Benefit Cost Not yet Recognized Net losses that have not yet been included in pension and postretirement expense for the two years ended December 31, which have been recognized as a component of AOCI are as follows:
 
Pension
 
Postretirement
 
2018
 
2017
 
2018
 
2017
Net (losses) gains

($23,252
)
 

($22,183
)
 

($7
)
 

($157
)
Deferred income tax benefit
1,216

 
1,927

 
6

 
6

AOCI

($22,036
)
 

($20,256
)
 

($1
)
 

($151
)
Schedule of Projected Benefit Obligation and Accumulated Benefit Obligation in Excess of Fair Value For pension and postretirement plans with accumulated benefit obligations in excess of plan assets, the following table sets forth the projected and accumulated benefit obligations and the fair value of plan assets for the two years ended December 31:
 
2018
 
2017
Projected benefit obligation

$79,559

 

$87,986

Accumulated benefit obligation
79,559

 
87,986

Fair value of plan assets
50,949

 
57,377

Schedule of Net Benefit Costs The following tables set forth the components of net pension and postretirement benefit (credit) cost that have been recognized during the three years ended December 31:
 
Pension
 
Postretirement
 
2018
 
2017
 
2016
 
2018
 
2017
 
2016
Components of Net Periodic Benefit (Credit) Cost
 
 
 
 
 
 
 
 
 
 
 
Service cost

 

 

$1,307

 

$7

 

$6

 

$4

Interest cost
3,021

 
3,259

 
3,474

 
38

 
53

 
42

Expected return on plan assets
(3,934
)
 
(3,781
)
 
(4,030
)
 

 

 

Amortization of prior service cost

 

 

 

 

 

Amortization of losses (gains)
673

 
466

 
2,526

 
2

 
(1
)
 
(13
)
Net periodic benefit (credit) cost

($240
)
 

($56
)
 

$3,277

 

$47

 

$58

 

$33


Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year The estimated pre-tax amounts that will be amortized from AOCI into net periodic benefit cost in 2019 are as follows:
 
Pension
 
Postretirement
Amortization of loss

$633

 

Schedule of Assumptions Used The following table sets forth the principal assumptions inherent in the determination of benefit obligations and net periodic benefit cost of the pension and postretirement benefit plans as of December 31:
 
Pension
 
Postretirement
 
2018
 
2017
 
2016
 
2018
 
2017
 
2016
Assumptions used to determine benefit obligations at December 31:
 
 
 
 
 
 
 
 
 
 
 
Discount rate
4.11
%
 
3.48
%
 
4.01
%
 
4.18
%
 
3.56
%
 
4.12
%
Rate of compensation increase

 

 
4.16
%
 
4.50
%
 
4.50
%
 
4.50
%
Assumptions used to determine net periodic benefit cost for years ended December 31:
 
 
 
 
 
 
 
 
 
 
 
Discount rate
3.48
%
 
4.01
%
 
4.20
%
 
3.56
%
 
4.12
%
 
4.34
%
Expected long-term return on plan assets
7.17
%
 
7.17
%
 
7.70
%
 

 

 

Rate of compensation increase

 

 
4.16
%
 
4.50
%
 
4.50
%
 
4.50
%
Schedule of Allocation of Plan Assets The Company’s pension plans’ asset allocation (excluding short-term investments) at December 31, 2018 and 2017, and target allocation ranges by asset category are as follows:
 
Percentage of 
Plan Assets
 
Target
Allocation
Range
Asset Category
2018
 
2017
 
Domestic equity securities
39
%
 
41
%
 
35-45%
International equity securities
28
%
 
26
%
 
20-30%
Domestic fixed income securities
26
%
 
26
%
 
25-29%
International fixed income securities
5
%
 
4
%
 
3-7%
Real estate fund
2
%
 
3
%
 
2-4%
Total
100
%
 
100
%
 
 
The following table sets forth by level, within the fair value hierarchy (see Note 1 — Summary of Significant Accounting Policies for definition), the assets of the plans as of December 31, 2018 and 2017.
 
Fair Value at December 31, 2018
 
Fair Value at December 31, 2017
Asset Category
Level 1
 
Level 2
 
Level 3
 
Total
 
Level 1
 
Level 2
 
Level 3
 
Total
Investments at Fair Value:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
     Mutual Funds

 

 

 

 

$8,986

 

 

 

$8,986

Investments at Net Asset Value:


 


 
 
 


 


 


 
 
 


     Separate Investment Accounts


 


 
 
 
50,949

 


 


 
 
 
48,391

Total Investments at Fair Value


 


 
 
 

$50,949

 


 


 
 
 

$57,377

Schedule of Expected Benefit Payments Expected benefit payments to be made by the Company for the next 10 years are as follows:
 
Pension
Benefits
 
Postretirement
Benefits
2019

$3,512

 

$36

2020
3,717

 
38

2021
3,836

 
41

2022
4,035

 
44

2023
4,114

 
47

2024-2028
22,167

 
278