Agreements with Related Parties (Details) - ING Group N.V. [Member] - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Related Party Transaction [Line Items]
Net premiums earned	$ 1.9	$ 2.6
Losses and loss expenses and life policy benefits	$ 0.6	$ 1.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration