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Investments (Reverse Purchase Agreements) (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Value of reverse repurchase agreements	$ 189.0	$ 3.7
Minimum required collateral for reverse repurchase agreements, expressed as a percentage of loan principal	102.00%

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- Definition

Securities Purchased Under Agreements To Resell Required Collateral Percentage Of Principal

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

The carrying value of securities purchased to be resold in reverse repurchase transactions as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(m)(2)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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