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Comprehensive Income (Loss) - Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Before-Tax Amount |  |  |  |
Other comprehensive income (loss), before tax | $ 588 | $ 2,871 | $ (2,474) | $ 8,171
Tax (Expense) Benefit |  |  |  |
Other comprehensive income (loss), tax | (150) | (735) | 632 | (2,090)
Net-of-Tax Amount |  |  |  |
Other comprehensive income (loss) before reclassifications | 418 | 2,039 | (1,919) | 5,918
Reclassification from AOCI, current period | 20 | 97 | 77 | 163
Other Comprehensive Income (Loss) | 438 | 2,136 | (1,842) | 6,081
Unrealized Gains and Losses on Available for Sale Securities |  |  |  |
Before-Tax Amount |  |  |  |
OCI, before reclassifications | 1,507 | 2,716 | (3,614) | 8,220
Tax (Expense) Benefit |  |  |  |
Other comprehensive income (loss) before reclassifications, tax | (385) | (695) | 924 | (2,101)
Net-of-Tax Amount |  |  |  |
Other comprehensive income (loss) before reclassifications | 1,122 | 2,021 | (2,690) | 6,119
Reclassification from AOCI, current period | 0 | 0 | 0 | 0
Other Comprehensive Income (Loss) | 1,122 | 2,021 | (2,690) | 6,119
Unrealized Loss on Cash Flow Swap |  |  |  |
Before-Tax Amount |  |  |  |
OCI, before reclassifications | (946) | 25 | 1,036 | (269)
Reclassification from AOCI, current period | (30) |  | (58) |
Tax (Expense) Benefit |  |  |  |
Other comprehensive income (loss) before reclassifications, tax | 242 | (7) | (265) | 68
Reclassification from AOCI, current period | 7 |  | 15 |
Net-of-Tax Amount |  |  |  |
Other comprehensive income (loss) before reclassifications | (704) | 18 | 771 | (201)
Reclassification from AOCI, current period | (23) | 0 | (43) | 0
Other Comprehensive Income (Loss) | (727) | 18 | 728 | (201)
Amortization of Net Retirement Plan Actuarial Gain (Loss) |  |  |  |
Before-Tax Amount |  |  |  |
Reclassification from AOCI, current period | 0 | 78 | 46 | 114
Tax (Expense) Benefit |  |  |  |
Reclassification from AOCI, current period | 0 | (20) | (12) | (29)
Net-of-Tax Amount |  |  |  |
Other comprehensive income (loss) before reclassifications | 0 | 0 | 0 | 0
Reclassification from AOCI, current period | 0 | 58 | 34 | 85
Other Comprehensive Income (Loss) | 0 | 58 | 34 | 85
Amortization of Defined Benefit Pension, Prior-Service Costs |  |  |  |
Before-Tax Amount |  |  |  |
Reclassification from AOCI, current period | 57 | 52 | 116 | 106
Tax (Expense) Benefit |  |  |  |
Reclassification from AOCI, current period | (14) | (13) | (30) | (28)
Net-of-Tax Amount |  |  |  |
Other comprehensive income (loss) before reclassifications | 0 | 0 | 0 | 0
Reclassification from AOCI, current period | 43 | 39 | 86 | 78
Other Comprehensive Income (Loss) | $ 43 | $ 39 | $ 86 | $ 78

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