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Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2020
Supplemental Retirement Plan  
Benefit plans  
Schedule of components of net periodic benefit cost

Three Months Ended

Six Months Ended

    

June 30, 

June 30, 

    

2020

    

2019

    

2020

    

2019

 

(Dollars in thousands)

Components of net periodic benefit cost:

Service cost

$

123

$

55

$

246

$

110

Interest cost

 

236

 

264

 

467

 

528

Amortization of net actuarial loss

 

105

 

46

 

190

 

92

Net periodic benefit cost

$

464

$

365

$

903

$

730

Split-Dollar Life Insurance Benefit Plan  
Benefit plans  
Schedule of components of net periodic benefit cost

Three Months Ended

Six Months Ended

    

June 30, 

June 30, 

    

2020

    

2019

    

2020

    

2019

 

(Dollars in thousands)

Amortization of prior transition obligation

$

(15)

$

(24)

$

(30)

$

(49)

Interest cost

 

62

 

70

 

124

 

140

Net periodic benefit cost

$

47

$

46

$

94

$

91

Schedule of change in projected benefit obligation

    

June 30, 

    

December 31, 

 

2020

    

2019

(Dollars in thousands)

 

Change in projected benefit obligation:

Projected benefit obligation at beginning of year

$

8,198

$

6,903

Interest cost

 

124

 

278

Actuarial loss (gain)

 

 

1,017

Projected benefit obligation at end of period

$

8,322

$

8,198

Schedule of amounts recognized in accumulated other comprehensive loss

    

June 30, 

    

December 31,

 

2020

    

2019

(Dollars in thousands)

 

Net actuarial loss

$

3,851

$

3,776

Prior transition obligation

 

1,014

 

1,059

Accumulated other comprehensive loss

$

4,865

$

4,835