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Goodwill - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Sep. 30, 2014
Dec. 31, 2013
Goodwill [Line Items]        
Impairment of goodwill $ 19,193,000us-gaap_GoodwillImpairmentLoss $ 19,193,000us-gaap_GoodwillImpairmentLoss    
Extremity Fixation [Member]        
Goodwill [Line Items]        
Accumulated impairment     9,800,000us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ofix_ExtremityFixationMember
9,800,000us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ofix_ExtremityFixationMember
Spine Fixation [Member]        
Goodwill [Line Items]        
Accumulated impairment     $ 9,400,000us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ofix_SpineFixationMember
$ 9,400,000us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ofix_SpineFixationMember