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Employee Benefits (Tables) | 12 Months Ended
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Dec. 31, 2023
Retirement Benefits [Abstract] |
Benefit Obligation and Plan Assets Deriving Funded Status, in Other Liabilities | The following table summarizes the activity in the benefit obligation and Plan assets deriving the funded status:
(dollars in thousands) | 2023 |  | 2022
Change in Projected Benefit Obligation |  |  |
Projected benefit obligation at beginning of year | $ | 73,366 |  |  | $ | 104,097 |
Interest cost | 3,812 |  |  | 3,160 |
Actuarial gain/(loss) | 2,248 |  |  | (23,020) |
Benefits paid | (6,239) |  |  | (10,871) |
Projected Benefit Obligation at End of Year | $ | 73,187 |  |  | $ | 73,366 |
Change in Plan Assets |  |  |
Fair value of plan assets at beginning of year | $ | 73,086 |  |  | $ | 107,525 |
Actual gain/(loss) on plan assets | 4,727 |  |  | (23,568) |
Benefits paid | (6,239) |  |  | (10,871) |
Fair Value of Plan Assets at End of Year | $ | 71,574 |  |  | $ | 73,086 |
Funded Status | $ | (1,613) |  |  | $ | (280) |
Accumulated Other Comprehensive Income (Loss) | The following table sets forth the amounts recognized in accumulated OCI at December 31:
(dollars in thousands) | 2023 |  | 2022
Net actuarial loss | 19,137 |  |  | 19,409 |
Total (Before Tax Effects) | $ | 19,137 |  |  | $ | 19,409 |
Actuarial Weighted Average Assumptions Used in Determining Benefit Obligation | Below are the actuarial weighted average assumptions used in determining the benefit obligation:
| 2023 |  | 2022
Discount rate | 5.03 | % |  | 5.41 | %
Rate of compensation increase(1) | — | % |  | — | %
(1)Rate of compensation increase is not applicable due to the plan amendment to freeze benefit accruals under the qualified and nonqualified defined benefit pension plans effective March 31, 2016. The following table summarizes the actuarial weighted average assumptions used in determining net periodic pension cost:
| 2023 |  | 2022 |  | 2021
Discount rate | 5.41 | % |  | 2.80 | % |  | 2.48 | %
Rate of compensation increase(1) | — | % |  | — | % |  | — | %
Expected return on assets | 5.72 | % |  | 3.29 | % |  | 2.42 | %
(1)Rate of compensation increase is not applicable due to the plan amendment to freeze benefit accruals under the qualified and nonqualified defined benefit pension plans effective March 31, 2016.
Components of Net Periodic Pension Cost and Other Changes in Plan Assets and Benefit Obligation Recognized in Other Comprehensive Income (Loss) | The following table summarizes the components of net periodic pension cost and other changes in Plan assets and benefit obligations recognized in other comprehensive loss for the years ended December 31:
(dollars in thousands) | 2023 |  | 2022 |  | 2021
Components of Net Periodic Pension Cost |  |  |  |  |
Interest cost on projected benefit obligation | $ | 3,812 |  |  | $ | 3,160 |  |  | $ | 2,950 |
Expected return on plan assets | (3,932) |  |  | (3,158) |  |  | (2,677) |
Recognized net actuarial loss | 1,725 |  |  | 1,229 |  |  | 1,051 |
Settlement charge | — |  |  | 1,097 |  |  | 1,629 |
Net Periodic Pension Expense | $ | 1,605 |  |  | $ | 2,328 |  |  | $ | 2,953 |
Other Changes in Plan Assets and Benefit Obligation Recognized in Other Comprehensive Income (Loss) |  |  |  |  |
Net actuarial loss | $ | 1,453 |  |  | $ | 3,706 |  |  | $ | 1,137 |
Recognized net actuarial loss | (1,725) |  |  | (1,229) |  |  | (1,051) |
Settlement loss recognized | — |  |  | $ | (1,097) |  |  | (1,629) |
Total Changes in Plan Assets and Benefit Obligation Before Tax Effects | $ | (272) |  |  | $ | 1,380 |  |  | $ | (1,543) |
Total Recognized in Net Benefit Cost and Other Comprehensive Income (Before Tax Effects) | $ | 1,333 |  |  | $ | 3,708 |  |  | $ | 1,410 |
Schedule of Expected Benefit Payments | The following table provides information regarding estimated future benefit payments to be paid in each of the next five years and in the aggregate for the five years thereafter:
(dollars in thousands) | Amount
2024 | $ | 6,323 |
2025 | 6,192 |
2026 | 6,051 |
2027 | 6,037 |
2028 | 5,869 |
2029 - 2033 | 27,770 |
Pension Plan Assets Measured at Fair Value on Recurring Basis | The following tables present our Plan assets measured at fair value on a recurring basis by fair value hierarchy level at December 31, 2023 and 2022. During the years ended December 31, 2023 and 2022, there were no transfers between Level 1 and Level 2 for items of a recurring basis. There were no purchases or transfers of Level 3 plan assets in 2023 or 2022.
| December 31, 2023
| Fair Value Asset Classes(1)
(dollars in thousands) | Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash and cash equivalents(2) | $ | 934 |  |  | $ | — |  |  | $ | — |  |  | $ | 934 |
Fixed income(3) | 63,629 |  |  | — |  |  | — |  |  | 63,629 |
Equities: |  |  |  |  |  |  |
Equity index mutual funds—international(4) | 2,086 |  |  | — |  |  | — |  |  | 2,086 |
Domestic individual equities(5) | 4,925 |  |  | — |  |  | — |  |  | 4,925 |
Total Assets at Fair Value | $ | 71,574 |  |  | $ | — |  |  | $ | — |  |  | $ | 71,574 |
(1)Refer to Note 1 Summary of Significant Accounting Policies, Fair Value Measurements for a description of levels within the fair value hierarchy. (2)This asset class includes FDIC insured money market instruments. (3)This asset class includes a variety of fixed income mutual funds which primarily invest in investment grade rated securities. Investment managers have discretion to invest in fixed income related securities including futures, options and other derivatives. Investments may be made in currencies other than the U.S. dollar. (4)The sole investment within this asset class is the Vanguard Total International Stock Index Fund Admiral Shares. (5)This asset class includes individual domestic equities invested in an active all-cap strategy. It may also include convertible bonds.
| December 31, 2022
| Fair Value Asset Classes(1)
(dollars in thousands) | Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash and cash equivalents(2) | $ | 939 |  |  | $ | — |  |  | $ | — |  |  | $ | 939 |
Fixed income(3) | 64,878 |  |  | — |  |  | — |  |  | 64,878 |
Equities: |  |  |  |  |  |  |
Equity index mutual funds—international(4) | 2,231 |  |  | — |  |  | — |  |  | 2,231 |
Domestic individual equities(5) | 5,038 |  |  | — |  |  | — |  |  | 5,038 |
Total Assets at Fair Value | $ | 73,086 |  |  | $ | — |  |  | $ | — |  |  | $ | 73,086 |
(1)Refer to Note 1 Summary of Significant Accounting Policies, Fair Value Measurements for a description of levels within the fair value hierarchy. (2)This asset class includes FDIC insured money market instruments. (3)This asset class includes a variety of fixed income mutual funds which primarily invest in investment grade rated securities. Investment managers have discretion to invest in fixed income related securities including futures, options and other derivatives. Investments may be made in currencies other than the U.S. dollar. (4)The sole investment within this asset class is Vanguard Total International Stock Index Fund Admiral Shares. (5)This asset class includes individual domestic equities invested in an active all-cap strategy. It may also include convertible bonds.

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