Significant Accounting Policies Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Credit Loss Allowance Activity
Premium Receivable, Allowance for Credit Loss	$ 126	$ 165
Premium Receivable, Credit Loss Expense (Reversal)	(39)
Premium Receivable, Allowance for Credit Loss, Writeoff	0
Reinsurance Recoverable, Allowance for Credit Loss	241	256
Reinsurance Recoverable, Credit Loss Expense (Reversal)	(15)
Reinsurance recoverable, allowance for credit loss, writeoff	0
Financing Receivable, Allowance for Credit Loss	112	141
Financing Receivable, Credit Loss, Expense (Reversal)	(29)
Financing Receivable, Allowance for Credit Loss, Writeoff	0
Total Credit Loss Allowances	479	$ 562
Total Credit Loss Allowance Expense	(83)
Total Credit Loss Allowance Writeoffs	$ 0