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Fair Value Measurements (Valuation Techniques) (Details) - Discount Rate [Member] - Fair Value, Measurements, Recurring - Fair Value, Inputs, Level 3 [Member] | 12 Months Ended
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Dec. 31, 2015
Contingent Payments |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques, Unobservable Inputs, Rate, Percentage | 18.50%
Available-for-sale Securities [Member] |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques, Unobservable Inputs, Rate, Percentage | 10.00%

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