Financing Agreements (Details) - Affiliated Entity - Voya Financial, Inc. - Reciprocal Loan Agreement - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Apr. 01, 2016
Short-term Debt [Line Items]
Line of credit, maximum borrowing capacity, as a percent					3.00%
Interest income earned on reciprocal loan	$ 0.2	$ 0.5	$ 0.4	$ 0.7

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.

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