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Commitments and Contingencies - Legal Accruals (Details) - Pending Litigation
Jan. 21, 2014
USD ($)
Oct. 11, 2016
lawsuit
Former Distributor Lawsuit | Minimum | Defamation Claim    
Loss Contingencies [Line Items]    
Damages sought, defendant's claim | $ $ 20,000,000  
Johnson And Rupp VS Jensen | Alleged Breached Fiduciary Duties | Subsequent Event    
Loss Contingencies [Line Items]    
Number of shareholder derivative actions | lawsuit   2