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Basis of Accounting and Consolidation - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract] |  |  |  |
Realized gains on available-for-sale securities | $ 287 | $ 218 | $ 818 | $ 272
Tax effect | (83) | (63) | (237) | (79)
Total reclassifications out of accumulated other comprehensive income | $ 204 | $ 155 | $ 581 | $ 193

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