Reserves for Claims Summary Of Transactions In Reserves For Claims (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Balance, beginning of period	$ 33,584	$ 31,333
Provisions related to: Current year	11,450	8,877
Provisions related to: Prior years	(5,764)	(3,673)
Total provision charged to operations	5,686	5,204
Claims paid, net of recoveries, related to: Current year	(146)	(249)
Claims paid, net of recoveries, related to: Prior years	(2,370)	(2,704)
Total claims paid, net of recoveries	(2,516)	(2,953)
Balance, end of year	$ 36,754	$ 33,584