Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Consolidated Statements Of Comprehensive Income [Abstract]
Reclassification to Federal income tax expense (benefit)	$ (3)	$ 1	$ (5)	$ 54