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Pension Benefits - Recognized in AOCI (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Pension Benefits |  |
Amortization of transition obligation | $ 41 | $ 41
Actuarial gain (loss) | (1,910) | 416
Totals | (1,869) | 457
Amounts in accumulated other comprehensive loss not yet reflected in net periodic pension cost, net of taxes: |  |
Actuarial gain (loss) | (163) | 1,747
Transition obligation | (50) | (91)
Totals | (213) | $ 1,656
Amounts in accumulated other comprehensive loss expected to be amortized in 2020 net periodic pension cost, net of taxes: |  |
Actuarial gain | 1 |
Transition obligation | 38 |
Total | $ 39 |

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