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Fair Value Measurements Fair Value Measurements (Narrative) (Details) (USD $) | Mar. 31, 2014
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Non-recurring fair value measurements [Abstract] |
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] | $ 0 us-gaap_LiabilitiesFairValueDisclosureNonrecurring

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- Details
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Balance Type: | na
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- Definition Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant