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Condensed Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Other Comprehensive Income |  |
Unrealized losses on available-for-sale securities,taxes | $ 29,898 | $ 4,903
Reclassification adjustment for realized gains included in net income, taxes | $ 0 | $ 1

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