Consolidated Statements of Income and Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Reclassifications for net unrealized investment gain/(losses) on available-for-sale securities	$ (121)	$ 90
Reclassifications for employee benefit costs	1,072	1,124
Reclassifications for federal income tax benefit	$ (250)	$ (217)

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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