Reinsurance (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Reinsurance Disclosures [Abstract]
Reinsurance Retention Policy, Amount Retained	$ 10,000	$ 10,000
Reinsurance Retention Policy, Excess Retention, Amount Reinsured	117,000	97,000
Retained risk amount	$ 10,000	$ 10,000
Ceded reinsurance commission percentage	100.00%	100.00%