Deferred Policy Acquisition Costs Deferred Policy Acquisition Costs (Narrative) (Details)	12 Months Ended
	Dec. 31, 2020
Deferred Policy Acquisition Costs Disclosures [Abstract]
Insurance Contract, Acquisition Cost [Text Block]	Some reinsurance agreements involve reimbursing the ceding company for allowances and commissions in excess of first-year premiums. These amounts represent acquisition costs and are capitalized to the extent deemed recoverable from the future premiums and amortized against future profits of the business.