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Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Pre-Tax Amount |  |  |  |
Other Comprehensive Income/(Loss), Pre-Tax Amount | $ 3,234 | $ 4,523 | $ (6,821) | $ 26,552
Tax (Expense) Benefit |  |  |  |
Other Comprehensive Income/(Loss), Tax (Expense) Benefit | (690) | (963) | 1,455 | (5,650)
Net of Tax Amount |  |  |  |
Other Comprehensive Income/(Loss), Net of Tax Amount | 2,544 | 3,560 | (5,366) | 20,902
Pension settlement charge | 200 |  | 900 |
Accumulated Net Investment Gain (Loss) Attributable to Parent |  |  |  |
Pre-Tax Amount |  |  |  |
Change in net unrealized gains/(losses) on debt securities available-for-sale | 324 | 4,059 | (9,388) | 25,623
Tax (Expense) Benefit |  |  |  |
Change in net unrealized gains/(losses) on debt securities available-for-sale | (69) | (864) | 2,003 | (5,452)
Net of Tax Amount |  |  |  |
Change in net unrealized gains/(losses) on debt securities available-for-sale | 255 | 3,195 | (7,385) | 20,171
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent |  |  |  |
Pre-Tax Amount |  |  |  |
Other Comprehensive Income/(Loss), Pre-Tax Amount | 2,910 | 464 | 2,567 | 929
Tax (Expense) Benefit |  |  |  |
Other Comprehensive Income/(Loss), Tax (Expense) Benefit | (621) | (99) | (548) | (198)
Net of Tax Amount |  |  |  |
Other Comprehensive Income/(Loss), Net of Tax Amount | $ 2,289 | $ 365 | $ 2,019 | $ 731

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