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v3.22.1

Accumulated Other Comprehensive Income (Loss) - AOCI Components Pre Post & Tax Effect (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Other Comprehensive Income (Loss), Before Tax: |  |
Net Unrealized Gains (Losses) Arising During the Period | $ (245,147) | $ (68,225)
Amortization of Unrealized Holding (Gains) Losses on HTM Securities | 67 | 125
Net Unrealized Gains (Losses) on Investment Securities | (245,080) | (68,100)
Amortization of Net Actuarial Losses (Gains) | 542 | 662
Amortization of Prior Service Credit | (62) | (61)
Defined Benefit Plans, Net | 480 | 601
Other Comprehensive Income (Loss) | (244,600) | (67,499)
Other Comprehensive Income (Loss), Tax Effect: |  |
Net Unrealized Gains (Losses) Arising During the Period | (64,974) | (18,082)
Amortization of Unrealized Holding (Gains) Losses on HTM Securities | 18 | 32
Net Unrealized Gains (Losses) on Investment Securities | (64,956) | (18,050)
Amortization of Net Actuarial Losses (Gains) | 143 | 177
Amortization of Prior Service Credit | (16) | (17)
Defined Benefit Plans, Net | 127 | 160
Other Comprehensive Income (Loss) | (64,829) | (17,890)
Other Comprehensive Income (Loss), Net of Tax: |  |
Net Unrealized Gains (Losses) Arising During the Period | (180,173) | (50,143)
Amortization of Unrealized Holding (Gains) Losses on HTM Securities | 49 | 93
Net Unrealized Gains (Losses) on Investment Securities | (180,124) | (50,050)
Amortization of Net Actuarial Losses (Gains) | 399 | 485
Amortization of Prior Service Credit | (46) | (44)
Defined Benefit Plans, Net | 353 | 441
Total Other Comprehensive Loss | $ (179,771) | $ (49,609)

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