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Accumulated Other Comprehensive Income (Reclassifications Out of Other Comprehensive Income) (Details) - Reclassification out of Accumulated Other Comprehensive Income - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Interest-rate contracts $ 1,641 $ 1,988 $ 1,866
Gain on sale of investments 19 4,728 8,274
Tax effect from changes in tax rates 6 2 (37)
Total $ 1,666 $ 6,718 $ 10,103