Nature of Operations and Basis of Presentation (Rollforward of Credit Loss Allowance for Reinsurance Receivable) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Beginning balance, January 1, 2020	$ 0
Current-period provision for expected credit losses	8
Write-off charged against the allowance, if any	0
Recoveries of amounts previously written off, if any	0
Ending balance of the allowance for reinsurance receivable, March 31, 2020	$ 46

No definition available.

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- Definition

Amount of the write-down or write-off of a receivable from a reinsurer.

+ References

+ Details

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- Definition

Amount of increase in allowance for credit loss on reinsurance recoverable, from recovery.

+ References

+ Details

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- Definition

Amount of expense (reversal of expense) for expected credit loss on reinsurance recoverable.

+ References

+ Details

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- Definition

Amount of allowance for credit loss on reinsurance recoverable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446

+ Details

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Balance Type:	credit
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