Fair Value of Financial Instruments (Fair Value Techniques) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Listing note, fair value	$ 38,100
Significant Unobservable Inputs Level 3 | Monte Carlo Simulation | Fair Value, Measurements, Recurring | Listing Note
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Listing note, fair value	$ 38,100
Expected volatility	29.30%