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Employee Retirement Plans (Tables)
6 Months Ended
Jun. 30, 2023
Employee Retirement Plans  
Schedule of company's pension expense

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Three Months Ended June 30, 

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Six Months Ended June 30, 

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2023

    

2022

    

2023

    

2022

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(Dollars in thousands)

Service cost

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$

116

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$

111

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$

234

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$

223

Interest cost

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644

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445

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1,316

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877

Expected return on plan assets

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(574)

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(750)

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(1,151)

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(1,502)

Net amortization and deferral

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114

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230

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248

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438

Pension expense

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$

300

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$

36

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$

647

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$

36