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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Commitments and Contingencies (Textual) [Abstract]
Loss contingency, Range of reasonably possible loss, Minimum	$ 0
Loss contingency, Range of reasonably possible loss, Maximum	$ 25

The estimated maximum amount of possible loss from the contingency.

The estimated minimum amount of possible loss from the contingency.