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Components of Net Periodic Pension Cost (Tables) | 3 Months Ended
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Mar. 31, 2022
Retirement Benefits [Abstract] |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Three Months Ended |  |  | Affected Line Item in the Consolidated
|  | March 31, |  |  | Statements of Income
|  | 2022 |  |  | 2021 |  |  |
|  | (dollars in thousands) |  |  |
Service cost |  | $ | - |  |  | $ | - |  |  |
Interest cost |  |  | 78 |  |  |  | 71 |  |  | Other components of net periodic pension expense
Expected return on plan assets |  |  | (237 | ) |  |  | (213 | ) |  | Other components of net periodic pension expense
Net amortization |  |  | 16 |  |  |  | 75 |  |  | Other components of net periodic pension expense
Total periodic pension income |  | $ | (143 | ) |  | $ | (67 | ) |  |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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