Goodwill and Other Intangible Assets, net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Dec. 31, 2013
Goodwill [Roll Forward]
Goodwill, beginning balance			$ 24,930
Goodwill, ending balance	75,010		75,010	24,930
Definite-lived intangibles	48,085		48,085	9,701
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period			12,189	12,116
Additions			9,200
Translation differences			118	73
Gross Amount end of period	21,507		21,507	12,189
Accumulated amortization	(3,272)		(3,272)	(2,488)
Net Book Value	18,235		18,235	9,701
Amortization expense	756	600
Estimated amortization expense for amortizable intangible assets [Abstract]
Last six months of 2014	1,175		1,175
2015	2,350		2,350
2016	2,350		2,350
2017	2,350		2,350
2018	2,350		2,350
Thereafter	7,660		7,660
Net Book Value	18,235		18,235	9,701
Trademarks [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period			5,772	5,744
Additions			0
Translation differences			46	28
Gross Amount end of period	5,818		5,818	5,772
Accumulated amortization	(1,479)		(1,479)	(1,178)
Net Book Value	4,339		4,339	4,594
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	4,339		4,339	4,594
Customer Relationships [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period			6,417	6,372
Additions			0
Translation differences			72	45
Gross Amount end of period	6,489		6,489	6,417
Accumulated amortization	(1,649)		(1,649)	(1,310)
Net Book Value	4,840		4,840	5,107
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	4,840		4,840	5,107
Managed Care Network [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross Amount beginning of period			0	0
Additions			9,200
Translation differences			0	0
Gross Amount end of period	9,200		9,200	0
Accumulated amortization	(144)		(144)	0
Net Book Value	9,056		9,056	0
Amortization Life			10 years
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	9,056		9,056	0
Radiancy, Inc. [Member]
Goodwill [Roll Forward]
Goodwill, ending balance	24,005		24,005
Definite-lived intangibles	12,000		12,000
Goodwill [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance			24,930
Additions for LCA-Vision acquisition			49,582
Translation differences			498
Goodwill, ending balance	75,010		75,010
Trademarks [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance			0
Additions for LCA-Vision acquisition			29,850
Translation differences			0
Goodwill, ending balance	$ 29,850		$ 29,850