v3.26.1
Employee benefit and stock plans (Tables)
6 Months Ended
Jun. 30, 2026
Employee benefit and stock plans  
Schedule of components of net periodic pension benefit

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Three Months Ended June 30, 

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Pension Benefits

(Dollars in thousands)

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2026

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2025

Net periodic pension benefit:

  ​ ​ ​

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  ​ ​ ​

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Interest cost

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$

158

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$

165

Expected return on plan assets

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(242)

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(337)

Amortization of unrecognized net loss

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2

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35

Net periodic pension benefit

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$

(82)

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$

(137)

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Six Months Ended June 30, 

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Pension Benefits

(Dollars in thousands)

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2026

​

2025

Net periodic pension benefit:

  ​ ​ ​

​

​

  ​ ​ ​

​

​

Interest cost

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$

316

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$

330

Expected return on plan assets

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(484)

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(674)

Amortization of unrecognized net loss

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4

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70

Net periodic pension benefit:

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$

(164)

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$

(274)

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