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EMPLOYEE RETIREMENT PLANS (Tables)
12 Months Ended
Dec. 31, 2025
EMPLOYEE RETIREMENT PLANS  
Schedule of pension plan weighted average assets allocation

​

​

​

​

​

​

​

​

​

Plan Assets at December 31, 

 

​

  ​ ​ ​

2025

  ​ ​ ​

2024

 

Asset Category:

 

  ​

 

  ​

​

Equity Securities

 

57

%  

59

%

Fixed Income Securities

 

36

%  

31

%

Other

 

7

%  

10

%

Total

 

100

%  

100

%

Schedule of funded status of pension plans

​

​

​

​

​

​

​

​

​

​

​

​

​

Defined Benefit Pension Plan

​

Supplemental Pension Plan

 

​

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2025

  ​ ​ ​

2024

​

Discount rate for determining funded status

 

5.45

%  

5.65

%  

5.41

%  

5.65

%

Schedule of change in benefit obligation and plan assets

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Defined Benefit Pension Plan

​

Supplemental Pension Plan

​

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2025

  ​ ​ ​

2024

​

​

(Dollars in thousands)

Change in projected benefit obligation

 

​

  ​

 

​

  ​

 

​

  ​

 

​

  ​

Projected benefit obligation, beginning of year

​

$

38,493

​

$

40,411

​

$

10,940

​

$

11,609

Service cost

​

 

196

​

 

427

​

 

—

​

 

—

Interest cost

​

 

1,905

​

 

1,995

​

 

572

​

 

561

Actuarial (gain) loss

​

 

(831)

​

 

(1,592)

​

 

168

​

 

(885)

Benefits paid

​

 

(2,765)

​

 

(2,748)

​

 

(346)

​

 

(345)

Projected benefit obligation, end of year

​

$

36,998

​

$

38,493

​

$

11,334

​

$

10,940

​

​

​

​

​

​

​

​

​

​

​

​

​

Change in plan assets

​

 

​

​

 

​

​

 

  ​

​

 

  ​

Fair value of plan assets, beginning of year

​

$

39,017

​

$

38,041

​

$

—

​

$

—

Actual return on plan assets

​

 

4,199

​

 

4,151

​

 

—

​

 

—

Administrative expenses

​

 

(196)

​

 

(427)

​

 

—

​

 

—

Contributions

​

 

—

​

 

—

​

 

346

​

 

345

Benefits paid

​

 

(2,765)

​

 

(2,748)

​

 

(346)

​

 

(345)

Fair value of plan assets, end of year

​

$

40,255

​

$

39,017

​

$

—

​

$

—

Funded status of plan

​

$

3,257

​

$

524

​

$

(11,334)

​

$

(10,940)

​

​

​

​

​

​

​

​

​

​

​

​

​

Amounts recognized in the consolidated balance sheets consist of:

​

 

  ​

​

 

  ​

​

 

  ​

​

 

  ​

Other assets

​

$

3,257

​

$

—

​

$

—

​

$

—

Accrued liabilities - other

​

​

—

​

​

—

​

​

(547)

​

​

(528)

Long-term pension liability

​

 

—

​

 

524

​

 

(10,787)

​

 

(10,412)

Net amount recognized

​

$

3,257

​

$

524

​

$

(11,334)

​

$

(10,940)

​

​

​

​

​

​

​

​

​

​

​

​

​

Amounts recognized in accumulated other comprehensive loss consist of:

​

 

  ​

​

 

  ​

​

 

  ​

​

 

  ​

Accumulated loss, net of income tax benefit of $1,381, $2,012, $223, and $179, respectively

​

$

3,931

​

$

5,729

​

$

634

​

$

510

Prior service cost, net of income tax benefit of $0, $0, $3 and $8, respectively

​

 

—

​

 

—

​

 

9

​

 

24

Net amount recognized

​

$

3,931

​

$

5,729

​

$

643

​

$

534

Schedule of net periodic pension cost

​

​

​

​

​

​

​

​

​

​

​

​

​

Defined Benefit Pension Plan

  ​ ​ ​

Supplemental Pension Plan

 

​

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2025

  ​ ​ ​

2024

 

Discount rate for projected benefit obligation

 

5.65

%  

5.15

%  

5.65

%  

5.16

%

Discount rate for determining interest cost

 

5.34

%  

5.08

%  

5.39

%  

5.08

%

Long-term rate of return on plan assets

 

6.75

%  

6.75

%  

—

 

—

​

Schedule of company's pension expense

​

​

​

​

​

​

​

​

​

​

​

​

​

​

2025

  ​ ​ ​

2024

​

(Dollars in thousands)

Service cost

$

196

​

$

427

Interest cost

 

2,477

​

 

2,556

Expected return on plan assets

 

(2,530)

​

 

(2,437)

Net amortization and deferral

 

148

​

 

416

Pension expense

$

291

​

$

962

Schedule of projected benefit payments for the plans

Projected benefit payments for the plans at December 31, 2025, were estimated as follows:

​

​

​

​

​

​

​

​

  ​ ​ ​

Defined Benefit 

  ​ ​ ​

Supplemental

​

​

Pension Plan

​

Pension Plan

​

​

(Dollars in thousands)

2026

​

$

2,922

​

$

548

2027

​

$

3,004

​

$

646

2028

​

$

3,037

​

$

897

2029

​

$

2,991

​

$

923

2030

​

$

2,994

​

$

965

2031 - 2035

​

$

13,584

​

$

4,714

Schedule of fair value hierarchy

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2025

​

​

Quoted Prices

​

Significant

​

Significant

​

​

​

​

​

in Active Markets

​

Observable Inputs

​

Unobservable Inputs

​

​

​

​

  ​ ​ ​

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

  ​ ​ ​

Total

​

​

(Dollars in thousands)

Common stocks

​

$

16,270

​

$

-

​

$

-

​

$

16,270

Preferred stocks

​

 

204

​

 

-

​

 

-

​

 

204

Exchange traded funds

​

 

6,619

​

 

-

​

 

-

​

 

6,619

Corporate obligations

​

 

-

​

 

3,517

​

 

-

​

 

3,517

Pooled fixed income funds

​

 

10,298

​

 

-

​

 

-

​

 

10,298

U.S. government securities

​

 

-

​

 

588

​

 

-

​

 

588

Cash and cash equivalents

​

 

2,725

​

 

-

​

 

-

​

 

2,725

Total

​

$

36,116

​

$

4,105

​

$

-

​

$

40,221

Other assets (1)

​

​

​

​

 

  ​

​

 

  ​

​

 

34

Total

​

​

​

​

 

  ​

​

 

  ​

​

$

40,255

(1)This category represents trust receivables that are not leveled.

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2024

​

​

Quoted Prices

​

Significant

​

Significant

​

​

​

​

​

in Active Markets

​

Observable Inputs

​

Unobservable Inputs

​

​

​

​

  ​ ​ ​

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

  ​ ​ ​

Total

​

​

(Dollars in thousands)

Common stocks

​

$

16,838

​

$

—

​

$

—

​

$

16,838

Preferred stocks

​

 

205

​

 

—

​

 

—

​

 

205

Exchange traded funds

​

 

5,883

​

 

—

​

 

—

​

 

5,883

Corporate obligations

​

 

—

​

 

3,875

​

 

—

​

 

3,875

Pooled fixed income funds

​

 

7,610

​

 

—

​

 

—

​

 

7,610

U.S. government securities

​

 

—

​

 

663

​

 

—

​

 

663

Cash and cash equivalents

​

 

3,943

​

 

—

​

 

—

​

 

3,943

Total

​

$

34,479

​

$

4,538

​

$

—

​

$

39,017