Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended			12 Months Ended
	Jun. 30, 2013		Jun. 30, 2012	Dec. 31, 2012
Goodwill [Roll Forward]
Goodwill, beginning balance, as restated	$ 24,500	[1]
Translation differences	(872)
Goodwill, ending balance	23,628			24,500	[1]
Accumulated impairment loss	0
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period	12,116		12,000	12,000
Translation differences	(206)			116
Gross Amount end of period	11,910			12,116
Accumulated amortization	(1,835)			(1,262)
Net Book Value	10,075			10,854
Amortization expense	600		600
Estimated amortization expense for amortizable intangible assets [Abstract]
Last six months of 2013	600
2014	1,200
2015	1,200
2016	1,200
2017	1,200
Thereafter	4,675
Net Book Value	10,075			10,854
Trademarks [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period	5,744		5,700	5,700
Translation differences	(79)			44
Gross Amount end of period	5,665			5,744
Accumulated amortization	(873)			(598)
Net Book Value	4,792			5,146
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	4,792			5,146
Customer Relationships [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period	6,372		6,300	6,300
Translation differences	(127)			72
Gross Amount end of period	6,245			6,372
Accumulated amortization	(962)			(664)
Net Book Value	5,283			5,708
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	$ 5,283			$ 5,708

[1] Restated