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Consolidated Statements of Comprehensive Income (Parentheticals) (unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Available-for-sale Securities, gross realized losses | [1] | $ 406 | $ (89) | $ 682 | $ (375)
Amortization of net actuarial loss | [2] | (10) | (212) | (25) | (212)
Income tax expense provision |  |  |  |  |
Available-for-sale Securities, gross realized losses |  | 9 | 0 | 9 | 0
Amortization of net actuarial loss |  | $ 19 | $ 39 | $ 38 | $ 39
[1] | Includes $9 for the three and six months ended June 30, 2019 and $0 for the three and six months ended June 30, 2018 for tax effect of realized losses which are included in the provision for income taxes on the consolidated statements of income.
[2] | Includes $19 and $38 for the three and six months ended June 30, 2019, respectively and $39 for the three and six months ended June 30, 2018, for tax effect of amortization of net actuarial loss included in the provision for income taxes on the consolidated statements of income.

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