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Investment Securities (Restrictions on Redemption Frequency and Advance Notice Requirements) (Details) - Hedge funds $ in Millions | Dec. 31, 2015 USD ($)
--- | ---
Investment securities |
Trading Securities, Other | $ 37.0
Distributions from inactive hedge funds | 1.0
Outstanding redemptions | 2.5
30-59 days notice |
Investment securities |
Trading Securities, Other | 13.8
60-89 days notice |
Investment securities |
Trading Securities, Other | 20.6
90-119 days notice |
Investment securities |
Trading Securities, Other | 2.6
120 days notice |
Investment securities |
Trading Securities, Other | 0.0
Monthly |
Investment securities |
Trading Securities, Other | 0.0
Monthly | 30-59 days notice |
Investment securities |
Trading Securities, Other | 0.0
Monthly | 60-89 days notice |
Investment securities |
Trading Securities, Other | 0.0
Monthly | 90-119 days notice |
Investment securities |
Trading Securities, Other | 0.0
Monthly | 120 days notice |
Investment securities |
Trading Securities, Other | 0.0
Quarterly |
Investment securities |
Trading Securities, Other | 13.8
Quarterly | 30-59 days notice |
Investment securities |
Trading Securities, Other | 13.8
Quarterly | 60-89 days notice |
Investment securities |
Trading Securities, Other | 0.0
Quarterly | 90-119 days notice |
Investment securities |
Trading Securities, Other | 0.0
Quarterly | 120 days notice |
Investment securities |
Trading Securities, Other | 0.0
Semi-annual |
Investment securities |
Trading Securities, Other | 20.6
Semi-annual | 30-59 days notice |
Investment securities |
Trading Securities, Other | 0.0
Semi-annual | 60-89 days notice |
Investment securities |
Trading Securities, Other | 20.6
Semi-annual | 90-119 days notice |
Investment securities |
Trading Securities, Other | 0.0
Semi-annual | 120 days notice |
Investment securities |
Trading Securities, Other | 0.0
Annual |
Investment securities |
Trading Securities, Other | 2.6
Annual | 30-59 days notice |
Investment securities |
Trading Securities, Other | 0.0
Annual | 60-89 days notice |
Investment securities |
Trading Securities, Other | 0.0
Annual | 90-119 days notice |
Investment securities |
Trading Securities, Other | 2.6
Annual | 120 days notice |
Investment securities |
Trading Securities, Other | $ 0.0

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