Consolidated Statements of Income and Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Reclassification adjustment for net realized (gains) losses included in income	$ (718)	$ (1,323)	$ 2,256
Reclassification adjustment for employee benefit costs included in expense	(207)	(3,601)	(6,603)
Reclassifications for federal income tax expense (benefit)	$ 194	$ 1,034	$ 913