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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Consolidated Statements of Comprehensive Income |  |  |  |
Net income | $ 3,282 | $ 3,520 | $ 4,150 | $ 8,186
Investment securities available-for-sale: |  |  |  |
Unrealized gains on investment securities available-for-sale, net of tax | 891 | 1,699 | 3,072 | 3,077
Adjustment for gains on sale of investment securities, net of tax | (4) |  | (5) |
Defined benefit pension plans: |  |  |  |
Amortization of prior service cost included in net periodic pension cost, net of tax | 31 | 16 | 84 | 31
Total other comprehensive income | 918 | 1,715 | 3,151 | 3,108
Total comprehensive income | $ 4,200 | $ 5,235 | $ 7,301 | $ 11,294

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