Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net realized gain (loss) on investment	$ 1,869	$ 333
Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Recognized in Earnings	0	(482)
Income before Income Taxes	84,932	49,661
Tax	(17,912)	(10,241)
Net income	67,020	39,420
Reclassification Out Of Accumulated Other Comprehensive Income
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net income	15	(347)
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized Gains And Losses On Available-For-Sale Securities
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net realized gain (loss) on investment	19	30
Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Recognized in Earnings	0	(482)
Income before Income Taxes	19	(452)
Tax	(4)	105
Net income	$ 15	$ (347)