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Changes in Accumulated Other Comprehensive Income by Component - Reclassification Adjustments (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Tax benefit $ (4,452) $ (8,299)
Net income 11,329 24,653
Realized Gains (Losses) on Sale of Available-for-sale Securities | Amounts Reclassified from Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Losses from the sale of available-for-sale securities (12) (48)
Tax benefit 4 12
Net income $ (8) $ (36)