Seat Licenses And Other Intangible Assets (Components Of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Value	$ 7,879	$ 7,800
Accumulated Amortization	(2,023)	(1,183)
Net Value	5,856	6,617
Seat Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	5 years
Gross Value	2,606	2,072
Accumulated Amortization	(857)	(558)
Net Value	1,749	1,514
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	8 years	8 years
Gross Value	5,400	5,400
Accumulated Amortization	(1,631)	(956)
Net Value	3,769	4,444
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	15 years	15 years
Gross Value	2,400	2,400
Accumulated Amortization	(387)	(227)
Net Value	2,013	2,173
Website [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	12 years
Gross Value	79
Accumulated Amortization	(5)
Net Value	$ 74
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	15 years
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	3 years