Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended		9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Dec. 13, 2011	Sep. 30, 2012 Trademarks [Member]	Dec. 31, 2011 Trademarks [Member]	Sep. 30, 2012 Customer Relationships [Member]	Dec. 31, 2011 Customer Relationships [Member]	Sep. 30, 2012 Other Definite-Lived Intangible Assets [Member]	Sep. 30, 2011 Other Definite-Lived Intangible Assets [Member]	Sep. 30, 2012 Current Reportable Segments [Member]	Dec. 31, 2011 Current Reportable Segments [Member]	Dec. 13, 2011 Current Reportable Segments [Member]
Goodwill [Line Items]
Goodwill recorded as a part of purchase price allocation			$ 24,005									$ 24,005
Decrease in goodwill acquired due to change in the valuation of unvested restricted stock											1,353
Decrease in goodwill acquired due to net change in deferred tax assets acquired											1,346
Goodwill [Roll Forward]
Goodwill, beginning balance	24,005									24,005
Translation differences										505
Goodwill, ending balance	24,510	24,005								24,510	24,005
Accumulated impairment loss										0
Definite-lived intangible assets recorded as a part of purchase price allocation			12,000
Schedule of definite-lived intangible assets [Abstract]
Gross Amount	12,000	12,000		5,700	5,700	6,300	6,300
Translation differences	119	0		46	0	73	0
Gross Amount	12,119	12,000		5,746	5,700	6,373	6,300
Accumulated Amortization	(959)	(50)		(455)	(24)	(504)	(26)
Net Book Value	11,160	11,950		5,291	5,676	5,869	6,274	11,160
Amortization expense								900	0
Estimated amortization expense for amortizable intangible assets [Abstract]
Last three months of 2012								300
2013								1,200
2014								1,200
2015								1,200
2016								1,200
Thereafter								6,060
Total	$ 11,160	$ 11,950		$ 5,291	$ 5,676	$ 5,869	$ 6,274	$ 11,160