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Components of Net Periodic Pension Cost (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Average daily balance during the year |  |
Interest cost | $ 119 | $ 128
Expected return on plan assets | (160) | (136)
Net amortization | 103 | 102
Total periodic pension expense | 62 | 94
Amortization of actuarial loss | (101) | (101)
Total recognized in other comprehensive income | (101) | (101)
Total recognized in net periodic expense and other comprehensive income (before tax) | $ (39) | $ (7)

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