XML 55 R43.htm IDEA: XBRL DOCUMENT v3.22.4
RETIREMENT PLANS (Tables)
12 Months Ended
Dec. 31, 2022
Defined Benefit Plan Disclosure  
Schedule of Net Benefit Costs

Net periodic benefit cost and other amounts recognized in other comprehensive income included the following components:

​

​

​

​

​

​

​

​

​

​

​

(Dollar amounts in thousands)

    

2022

    

2021

    

2020

Service cost - benefits earned

​

$

1,190

​

$

1,355

​

$

1,300

Interest cost on projected benefit obligation

​

 

2,826

​

 

2,632

​

 

3,116

Expected return on plan assets

​

 

(4,910)

​

 

(4,713)

​

 

(4,198)

Net amortization and deferral

​

 

1,259

​

 

2,072

​

 

1,968

Net periodic pension cost

​

 

365

​

 

1,346

​

 

2,186

Net loss (gain) during the period

​

 

(5,323)

​

 

(5,883)

​

 

3,188

Amortization of prior service cost

​

 

—

​

 

(1)

​

 

(1)

Amortization of unrecognized (gain) loss

​

 

(1,259)

​

 

(2,072)

​

 

(1,967)

Total recognized in other comprehensive (income) loss

​

 

(6,582)

​

 

(7,956)

​

 

1,220

Total recognized net periodic pension cost and other comprehensive income

​

$

(6,217)

​

$

(6,610)

​

$

3,406

​

Schedule of Defined Benefit Plans Disclosures

The information below sets forth the change in projected benefit obligation, reconciliation of plan assets, and the funded status of the Corporation’s retirement program. Actuarial present value of benefits is based on service to date and present pay levels.

​

​

​

​

​

​

​

​

(Dollar amounts in thousands)

    

2022

    

2021

Change in benefit obligation:

 

​

  

 

​

  

Benefit obligation at January 1

​

$

106,496

​

$

109,922

Service cost

​

 

1,190

​

 

1,355

Interest cost

​

 

2,826

​

 

2,632

Actuarial (gain) loss

​

 

(21,350)

​

 

(2,943)

Benefits paid

​

 

(5,584)

​

 

(4,470)

Benefit obligation at December 31

​

 

83,578

​

 

106,496

Reconciliation of fair value of plan assets:

​

 

  

​

 

  

Fair value of plan assets at January 1

​

 

87,979

​

 

82,437

Actual return on plan assets

​

 

(11,117)

​

 

7,654

Employer contributions

​

 

456

​

 

2,358

Benefits paid

​

 

(5,584)

​

 

(4,470)

Fair value of plan assets at December 31

​

 

71,734

​

 

87,979

Funded status at December 31 (plan assets less benefit obligation)

​

$

(11,844)

​

$

(18,517)

​

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

​

​

​

​

​

​

​

​

​

​

​

​

​

Balance at

​

Current Period

​

Balance at

(Dollar amounts in thousands)

    

1/1/2022

    

Change

    

12/31/2022

Unrealized gains (losses) on securities available-for-sale without other than temporary impairment

​

$

13,155

​

$

(144,290)

​

$

(131,135)

Unrealized gains (losses) on securities available-for-sale with other than temporary impairment

​

 

2,519

​

 

(280)

​

 

2,239

Total unrealized gain (loss) on securities available-for-sale

​

$

15,674

​

$

(144,570)

​

$

(128,896)

Unrealized gain (loss) on retirement plans

​

 

(18,100)

​

 

7,022

​

 

(11,078)

TOTAL

​

$

(2,426)

​

$

(137,548)

​

$

(139,974)

​

​

​

​

​

​

​

​

​

​

​

​

​

Balance at

​

Current Period

​

Balance at

(Dollar amounts in thousands)

    

1/1/2021

    

Change

    

12/31/2021

Unrealized gains (losses) on securities available-for-sale without other than temporary impairment

​

$

31,810

​

$

(18,655)

​

$

13,155

Unrealized gains (losses) on securities available-for-sale with other than temporary impairment

​

 

2,352

​

 

167

​

 

2,519

Total unrealized income (loss) on securities available-for-sale

​

$

34,162

​

$

(18,488)

​

$

15,674

Unrealized gain (loss) on retirement plans

​

 

(24,398)

​

 

6,298

​

 

(18,100)

TOTAL

​

$

9,764

​

$

(12,190)

​

$

(2,426)

​

Schedule of Assumptions Used

The accumulated benefit obligation for the defined benefit pension plan was $81.5 million and $102.4 million at year-end 2022 and 2021.

​

​

​

​

​

​

​

Principal assumptions used to determine pension benefit obligation at year end:

    

2022

    

2021

 

Discount rate

 

5.02

%  

2.83

%

Rate of increase in compensation levels

 

3.00

 

3.00

​

​

​

​

​

​

​

​

Principal assumptions used to determine net periodic pension cost:

    

2022

    

2021

 

Discount rate

 

2.83

%  

2.52

%

Rate of increase in compensation levels

 

3.00

 

3.00

​

Expected long-term rate of return on plan assets

 

6.00

 

6.00

​

​

Schedule of Allocation of Plan Assets

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

Pension Plan

    

ESOP 

    

Pension 

​

ESOP 

 

​

​

 Target 

​

Target 

​

Percentage of Plan 

​

Percentage of Plan 

 

​

​

Allocation

​

Allocation

​

Assets at December 31, 

​

Assets at December 31, 

 

ASSET CATEGORY

    

2022

    

2022

    

2022

    

2021

    

2022

    

2021

 

Equity securities

 

25-75

%  

95-99

%  

63

%  

63

%  

99

%  

98

%

Debt securities

 

0-50

%  

0-0

%  

34

%  

32

%  

—

%  

—

%

Other

 

0-20

%  

0-5

%  

3

%  

5

%  

1

%  

2

%

TOTAL

 

​

​

​

​

100

%  

100

%  

100

%  

100

%  

Schedule Of Fair Value Of Plan Assets

The fair value of the plan assets at December 31, 2022 and 2021, by asset category, is as follows:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Fair Value Measurements at

​

​

​

​

​

December 31, 2022 Using:

​

​

​

​

​

Quoted Prices 

​

Significant

​

​

​

​

​

​

​

​

in Active 

​

 Other

​

Significant

​

    

​

​

    

Markets for

    

 Observable

    

Observable

​

​

​

​

​

 Identical Assets

​

 Inputs

​

 Inputs

(Dollar amounts in thousands)

    

Total

    

(Level 1)

    

(Level 2)

    

(Level 3)

Plan assets

​

  

​

​

  

​

​

  

​

​

  

​

Equity securities

​

$

52,319

​

$

52,319

​

$

—

​

$

—

Debt securities

​

​

10,409

​

​

—

​

​

10,409

​

​

—

Investment Funds

​

​

9,006

​

​

9,006

​

​

—

​

​

—

Total plan assets

​

$

71,734

​

$

61,325

​

$

10,409

​

$

—

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Fair Value Measurements at

​

​

​

​

​

December 31, 2021 Using:

​

​

​

​

​

Quoted Prices

​

Significant 

​

​

​

​

​

​

​

​

 in Active

​

Other 

​

Significant

​

    

 

​

    

 Markets for

    

Observable

    

 Observable

​

​

​

​

​

Identical Assets

​

 Inputs

​

 Inputs

(Dollar amounts in thousands)

    

Total

    

(Level 1)

    

(Level 2)

    

(Level 3)

Plan assets

​

  

​

​

  

​

​

  

​

​

  

​

Equity securities

​

$

62,382

​

$

62,382

​

$

—

​

$

—

Debt securities

​

​

10,102

​

​

—

​

​

10,102

​

​

—

Investment Funds

​

​

15,495

​

​

15,495

​

​

—

​

​

—

Total plan assets

​

$

87,979

​

$

77,877

​

$

10,102

​

$

—

​

Schedule of Expected Benefit Payments

Estimated Future Payments — The following benefit payments, which reflect expected future service, are expected:

​

​

​

​

​

PENSION BENEFITS

(Dollar amounts in thousands)

2023

​

$

6,844

2024

​

 

7,034

2025

​

 

7,175

2026

​

 

7,384

2027

​

 

7,490

2028-2032

​

 

38,028

​

Estimated Future Payments — The following benefit payments, which reflect expected future service, are expected:

​

​

​

​

​

(Dollar amounts on thousands)

2023

    

$

—

2024

​

 

374

2025

​

 

731

2026

​

 

711

2027

​

 

730

2028-2032

​

 

3,457

​

Schedule Of Weighted Average Assumptions

Weighted average assumptions at December 31:

​

​

​

​

​

​

​

​

    

December 31, 

 

​

​

2022

​

2021

 

Discount rate

 

5.02

%  

2.83

%

Initial weighted health care cost trend rate

 

5.00

%  

5.00

%

Ultimate health care cost trend rate

 

5.00

 

5.00

​

Year that the rate is assumed to stabilize and remain unchanged

 

2023

 

2022

​

​

Pension Plan [Member]  
Defined Benefit Plan Disclosure  
Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive income at December 31, 2022 and 2021 consist of:

​

​

​

​

​

​

​

​

(Dollar amounts in thousands)

    

2022

    

2021

Net loss (gain)

​

$

14,469

​

$

21,051

Prior service cost (credit)

​

 

—

​

 

—

​

​

$

14,469

​

$

21,051

​

Postretirement Health Coverage  
Defined Benefit Plan Disclosure  
Schedule of Net Benefit Costs

​

​

​

​

​

​

​

​

​

    

December 31, 

(Dollar amounts in thousands)

    

2022

    

2021

Change in benefit obligation:

 

​

  

 

​

  

Benefit obligation at January 1

​

$

4,015

​

$

4,147

Service cost

​

 

34

​

 

43

Interest cost

​

 

111

​

 

103

Plan participants' contributions

​

 

74

​

 

34

Actuarial (gain)

​

 

(758)

​

 

(53)

Benefits paid

​

 

(301)

​

 

(259)

Benefit obligation at December 31

​

$

3,175

​

$

4,015

Funded status at December 31

​

$

3,175

​

$

4,015

​

Schedule of Defined Benefit Plans Disclosures

Post-retirement health benefit expense included the following components:

​

​

​

​

​

​

​

​

​

​

​

​

​

Years Ended December 31, 

(Dollar amounts in thousands)

    

2022

    

2021

    

2020

Service cost

​

$

34

​

$

43

​

$

38

Interest cost

​

 

111

​

 

103

​

 

125

Amortization of net actuarial loss (gain)

​

 

—

​

 

—

​

 

—

Net periodic benefit cost

​

 

145

​

 

146

​

 

163

Net loss (gain) during the period

​

 

(758)

​

 

(53)

​

 

238

Amortization of prior service cost

​

 

—

​

 

—

​

 

—

Total recognized in other comprehensive income (loss)

​

 

(758)

​

 

(53)

​

 

238

Total recognized net periodic benefit cost and other comprehensive income

​

$

(613)

​

$

93

​

$

401

​

Supplemental Employee Retirement Plans, Defined Benefit  
Defined Benefit Plan Disclosure  
Schedule of Net Benefit Costs

​

​

​

​

​

​

​

​

​

​

​

(Dollar amounts in thousands)

    

2022

    

2021

    

2020

Net loss (gain) during the period

​

$

(1,604)

​

$

54

​

$

1,459

Amortization of prior service cost

​

 

—

​

 

—

​

 

—

Amortization of unrecognized (gain) loss

​

 

(418)

​

 

(441)

​

 

(246)

Total recognized in other comprehensive (income) loss

​

$

(2,022)

​

$

(387)

​

$

1,213

Schedule of Expected Benefit Payments

Estimated Future Payments — The following benefit payments, which reflect expected future service, are expected:

​

​

​

​

​

(Dollar amounts in thousands)

2023

​

$

245

2024

​

 

251

2025

​

 

247

2026

​

 

244

2027

​

 

244

2028-2032

​

 

1,171