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Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Amounts Reclassified from AOCI [Abstract]    
Securities gains $ 249 $ 356
Tax expense 258 3,941
Net income 6,579 14,939
Unrealized Gains on AFS Securities [Member] | Reclassification Out of Accumulated Other Comprehensive Income [Member]    
Amounts Reclassified from AOCI [Abstract]    
Securities gains 481 1
Tax expense 125 0
Net income $ 356 $ 1