Goodwill and Other Intangible Assets, net (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 24,930
Goodwill, ending balance	74,282		24,930
Definite-lived intangibles	17,515		9,701
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period	12,189	12,116	12,116
Additions	9,200
Translation differences	(55)		73
Gross Amount end of period	21,334		12,189
Accumulated amortization	(3,819)		(2,488)
Net Book Value	17,515		9,701
Amortization expense	1,331	900
Estimated amortization expense for amortizable intangible assets [Abstract]
Last three months of 2014	587
2015	2,350
2016	2,350
2017	2,350
2018	2,350
Thereafter	7,528
Net Book Value	17,515		9,701
Trademarks [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period	5,772	5,744	5,744
Additions	0
Translation differences	(22)		28
Gross Amount end of period	5,750		5,772
Accumulated amortization	(1,606)		(1,178)
Net Book Value	4,144		4,594
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	4,144		4,594
Customer Relationships [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period	6,417	6,372	6,372
Additions	0
Translation differences	(33)		45
Gross Amount end of period	6,384		6,417
Accumulated amortization	(1,782)		(1,310)
Net Book Value	4,602		5,107
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	4,602		5,107
Managed Care Network [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period	0	0	0
Additions	9,200
Translation differences	0		0
Gross Amount end of period	9,200		0
Accumulated amortization	(431)		0
Net Book Value	8,769		0
Amortization Life	10 years
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	8,769		0
Radiancy, Inc. [Member]
Goodwill [Roll Forward]
Goodwill, ending balance	24,005
Definite-lived intangibles	12,000
Goodwill [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance	24,930
Additions for LCA-Vision acquisition	49,582
Translation differences	(230)
Goodwill, ending balance	74,282
Trademarks [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Additions for LCA-Vision acquisition	29,850
Translation differences	0
Goodwill, ending balance	$ 29,850