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Employee Pension Plans | 3 Months Ended
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Mar. 31, 2020
Employee Pension Plans [Abstract] |
Employee Pension Plans | (13) Employee Pension Plans The Company has a defined benefit pension plan and an unfunded supplemental retirement plan. Effective June 1, 2004, all benefit accruals under these plans were frozen; however, the current vested benefit was preserved. The pension disclosure presented below includes aggregated amounts for both of the Company’s plans. The following table sets forth a summary of the net periodic benefit cost for the three months ended March 31, 2020 and 2019:
| Three Months Ended March 31,
(in thousands) | 2020 |  | 2019
Interest cost | $ | 758 |  | $ | 948
Expected return on plan assets |  | (1,006) |  |  | (1,043)
Amortization of net loss |  | 592 |  |  | 463
Other |  | 231 |  |  | 225
Net periodic benefit cost | $ | 575 |  | $ | 593
The Company contributed $1.3 million and $0.7 million to its defined benefit pension plan during the three-month periods ended March 31, 2020 and 2019, respectively, and expects to contribute an additional $2.8 million by the end of 2020.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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