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Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2022
Supplemental Retirement Plan  
Benefit plans  
Schedule of change in projected benefit obligation

    

2022

    

2021

 

(Dollars in thousands)

 

Change in projected benefit obligation:

Projected benefit obligation at beginning of year

$

33,179

$

35,404

Service cost

 

347

 

480

Actuarial gain

 

(7,065)

 

(917)

Interest cost

 

865

 

759

Benefits paid

 

(1,526)

 

(2,547)

Projected benefit obligation at end of year

$

25,800

$

33,179

Amounts recognized in accumulated other comprehensive loss:

Net actuarial loss

$

2,371

$

7,668

Schedule of weighted-average assumptions used to determine the benefit obligation

    

2022

    

2021

 

Discount rate

 

5.17

%  

2.66

%

Rate of compensation increase

 

N/A

N/A

Schedule of estimated benefit payments over the next ten years, which reflect anticipated future events, service and other assumptions

    

Estimated

 

Benefit

 

Year

Payments

 

(Dollars in thousands)

 

2023

$

1,654

2024

 

1,969

2025

 

2,059

2026

 

2,179

2027

 

2,316

2028 to 2032

12,131

Schedule of components of net periodic benefit cost

Year Ended

    

December 31, 

    

2022

    

2021

 

Components of net periodic benefit cost:

Service cost

$

347

$

480

Interest cost

 

865

 

759

Amortization of prior service cost

100

Amortization of net actuarial loss

 

455

 

543

Net periodic benefit cost

$

1,667

$

1,882

Amount recognized in other comprehensive income

$

5,297

$

1,098

Schedule of assumption used to determine the net periodic benefit cost

    

2022

    

2021

 

Discount rate

 

2.66

%  

2.26

%

Rate of compensation increase

 

N/A

N/A

Split-Dollar Life Insurance Benefit Plan  
Benefit plans  
Schedule of change in projected benefit obligation

    

December 31, 

    

December 31, 

 

2022

    

2021

(Dollars in thousands)

 

Change in projected benefit obligation:

Projected benefit obligation at beginning of year

$

9,244

$

9,689

Interest cost

 

246

 

219

Actuarial loss

 

(2,430)

 

(664)

Projected benefit obligation at end of period

$

7,060

$

9,244

Schedule of weighted-average assumptions used to determine the benefit obligation

    

2022

    

2021

 

Discount rate

 

5.17

%  

2.66

%

Schedule of amounts recognized in accumulated other comprehensive loss

    

December 31, 

    

December 31,

 

2022

    

2021

(Dollars in thousands)

 

Net actuarial loss

$

2,301

$

4,601

Prior transition obligation

 

790

 

879

Accumulated other comprehensive loss

$

3,091

$

5,480

Schedule of components of net periodic benefit cost

Year Ended

    

December 31, 

    

2022

    

2021

 

Amortization of prior transition obligation and actuarial losses

$

(41)

$

(4)

Interest cost

 

246

 

219

Net periodic benefit cost

$

205

$

215

Amount recognized in other comprehensive income

$

2,389

$

660

Schedule of assumption used to determine the net periodic benefit cost

    

2022

    

2021

 

Discount rate

 

2.66

%  

2.26

%