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Pension Plans (Tables) | 6 Months Ended
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Jun. 30, 2019
Retirement Benefits [Abstract] |
Schedule of the components of pension (income) expense | The following table contains the components of the pension cost.
| For the Three Months Ended June 30,
($ in thousands) | 2019 Pension Plan |  | 2018 Pension Plan |  | 2019 SERP |  | 2018 SERP |  | 2019 Total Both Plans | Both Plans | 2018 Total Both Plans
Service cost | $ | — |  |  | — |  |  | — |  |  | 33 |  |  | — |  |  | 33 |
Interest cost | 372 |  |  | 326 |  |  | 41 |  |  | 53 |  |  | 413 |  |  | 379 |
Expected return on plan assets | (397 | ) |  | (556 | ) |  | — |  |  | — |  |  | (397 | ) |  | (556 | )
Amortization of net (gain)/loss | 223 |  |  | 59 |  |  | 5 |  |  | (8 | ) |  | 228 |  |  | 51 |
Net periodic pension cost (income) | $ | 198 |  |  | (171 | ) |  | 46 |  |  | 78 |  |  | 244 |  |  | (93 | )
| For the Six Months Ended June 30,
($ in thousands) | 2019 Pension Plan |  | 2018 Pension Plan |  | 2019 SERP |  | 2018 SERP |  | 2019 Total Both Plans |  | 2018 Total Both Plans
Service cost | $ | — |  |  | — |  |  | — |  |  | 62 |  |  | — |  |  | 62 |
Interest cost | 744 |  |  | 656 |  |  | 82 |  |  | 110 |  |  | 826 |  |  | 766 |
Expected return on plan assets | (794 | ) |  | (659 | ) |  | — |  |  | — |  |  | (794 | ) |  | (659 | )
Amortization of net (gain)/loss | 446 |  |  | 119 |  |  | 10 |  |  | (16 | ) |  | 456 |  |  | 103 |
Net periodic pension cost | $ | 396 |  |  | 116 |  |  | 92 |  |  | 156 |  |  | 488 |  |  | 272 |

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + 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 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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