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Commitments and Contingencies - Legal Accruals (Details) - Pending Litigation | Jan. 21, 2014 USD ($) | Oct. 11, 2016 lawsuit
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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

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