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Benefit Plans | 3 Months Ended
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Mar. 31, 2020
Retirement Benefits [Abstract] |
Benefit Plans | Retirement Plans and Postretirement Benefits The components of our consolidated net pension costs are set forth in the following table:
| For the Three Months Ended March 31,
| 2020 |  | 2019
| (Dollars in thousands)
Service cost | $ | 622 |  |  | $ | 575 |
Interest cost | 1,033 |  |  | 1,316 |
Expected return on plan assets | (1,284 | ) |  | (1,338 | )
Net cost | $ | 371 |  |  | $ | 553 |
The components of our consolidated net postretirement costs are set forth in the following table:
| For the Three Months Ended March 31,
| 2020 |  | 2019
| (Dollars in thousands)
Interest cost | $ | 191 |  |  | $ | 242 |
Net cost | $ | 191 |  |  | $ | 242 |

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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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