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Benefit Plan (Tables) | 9 Months Ended
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Sep. 30, 2021
Retirement Benefits [Abstract] |
Components Of Net Periodic Benefit Expense | The following table shows the components of net periodic pension benefit expense:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30, | Affected Line Item in the Consolidated Condensed Statements of Income
(In thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Service cost |  | $ | 2,479 |  |  | $ | 2,080 |  |  | $ | 7,437 |  |  | $ | 6,240 |  | Employee benefits
Interest cost |  | 1,340 |  |  | 1,320 |  |  | 4,020 |  |  | 3,960 |  | Other components of net periodic pension benefit income
Expected return on plan assets |  | (3,933) |  |  | (3,602) |  |  | (11,799) |  |  | (10,806) |  | Other components of net periodic pension benefit income
Recognized net actuarial loss and prior service costs |  | 555 |  |  | 294 |  |  | 1,665 |  |  | 882 |  | Other components of net periodic pension benefit income
Net periodic pension benefit expense |  | $ | 441 |  |  | $ | 92 |  |  | $ | 1,323 |  |  | $ | 276 |  |
Park has entered into Supplemental Executive Retirement Plan Agreements (the “SERP Agreements”) with certain key officers of the Corporation and its subsidiaries which provide defined pension benefits in excess of limits imposed by federal tax law. The expense for the Corporation related to the SERP Agreements for the three months and nine months ended September 30, 2021 and 2020 was as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30, | Affected Line Item in the Consolidated Condensed Statements of Income
(In thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Service cost |  | $ | 203 |  |  | $ | 218 |  |  | $ | 611 |  |  | $ | 801 |  | Employee benefits
Interest cost |  | 150 |  |  | 134 |  |  | 448 |  |  | 401 |  | Miscellaneous expense
Total SERP expense |  | $ | 353 |  |  | $ | 352 |  |  | $ | 1,059 |  |  | $ | 1,202 |  |

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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 http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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