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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 | $ 5,438 | $ 3,649 | $ 9,604 | $ 8,739
Unrealized holding gains on available-for-sale debt securities | 2,835 | 5,163 | 10,075 | 9,424
Changes from plan amendments and actuarial gains and losses | 0 | 0 | 88 | 214
net periodic benefit cost | (6) | (7) | (14) | (15)
Other comprehensive (loss) gain on unfunded retirement obligations | (6) | (7) | 74 | 199
Total other comprehensive income, before tax amount | 2,829 | 5,156 | 10,149 | 9,623
Income tax related to other comprehensive income | (592) | (1,083) | (2,129) | (2,021)
Net other comprehensive income | 2,237 | 4,073 | 8,020 | 7,602
Comprehensive income | $ 7,675 | $ 7,722 | $ 17,624 | $ 16,341

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