Consolidated Statements of Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Accumulated other comprehensive earnings reclassifications	$ 4,297	$ (75)	$ (443)
Income tax expense from reclassification	$ 902	$ (16)	$ (93)

Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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