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v3.19.3.a.u2

Organization and Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2012
Supplier concentration risk | Purchases, Total |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration risk percentage | 28.50% | 23.40% | 28.60% | 21.50% |  |
Supplier concentration risk | Purchases | Ablecom Technology |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration risk percentage | 10.30% |  | 10.00% |  |  |
Supplier concentration risk | Purchases | Compuware |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration risk percentage |  | 9.30% |  | 9.20% |  |
Customer concentration risk | Accounts receivable | One customer |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration risk percentage |  |  |  |  | 17.00% |
Management Company | Super Micro Asia Science and Technology Park, Inc. |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Contribution in variable interest entity |  |  |  |  |  | $ 0.2
Ownership percentage of variable interest entity |  |  |  |  |  | 50.00%
Minimum |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Product warranty, term |  |  | 15 months |  |  |
Maximum |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Product warranty, term |  |  | 39 months |  |  |

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