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Short-term and Long-term Debt Obligations - Bank of America (Details) | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 31, 2016 USD ($) | Jun. 30, 2015 USD ($) building | Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) building | Jul. 31, 2016 USD ($)
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Debt, total outstanding borrowings |  |  | $ 98,560,000 | $ 93,589,000 |
Line of Credit | Revolving Credit Facility |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Debt, total outstanding borrowings |  |  | $ 29,999,000 | $ 72,299,000 |
Bank of America | Term Loan |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Credit facility, term |  | 5 years |  |  |
Bank of America | Bank of America 2015 Credit Agreement | Minimum |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  |  | 1.02% |
Bank of America | Bank of America 2015 Credit Agreement | Maximum |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  |  | 1.96% |
Bank of America | Bank of America 2015 Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Debt, total outstanding borrowings |  |  |  | $ 62,199,000 |
Bank of America | Bank of America 2015 Credit Agreement | Term Loan | Secured Debt |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Credit facility, term |  | 5 years |  |  |
Term loan, face amount |  | $ 14,000,000 |  |  |
Number of buildings as collateral | building |  | 3 |  |  |
Debt, total outstanding borrowings |  |  |  | 933,000 |
Bank of America | Bank of America 2015 Credit Agreement | Term Loan | Secured Debt | LIBOR |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Credit facility, basis spread on variable rate (as a percent) |  | 1.50% |  |  |
Bank of America | Bank of America 2015 Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Credit facility, maximum borrowing capacity |  | $ 65,000,000 |  |  |
Bank of America | Bank of America 2016 Credit Agreement | Minimum |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 1.08% |  |
Bank of America | Bank of America 2016 Credit Agreement | Maximum |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 1.77% |  |
Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Debt, total outstanding borrowings |  |  | $ 11,199,000 |  |
Bank of America | Bank of America 2016 Credit Agreement | Term Loan | Secured Debt |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Term loan, face amount |  |  |  | $ 50,000,000 | $ 50,000,000
Number of buildings as collateral | building |  |  |  | 7 |
Debt, total outstanding borrowings |  |  | 47,500,000 |  |
Interest rate (as a percent) |  |  |  |  | 1.71%
Bank of America | Bank of America 2016 Credit Agreement | Term Loan | Secured Debt | LIBOR |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Credit facility, basis spread on variable rate (as a percent) |  |  |  | 1.25% |
Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  | $ 55,000,000 |
Credit facility, remaining borrowing capacity |  |  | $ 53,801,000 |  |
Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Revolving Credit Facility | Super Micro Computer, Taiwan |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  | 10,000,000 |
Credit facility, basis spread on variable rate (as a percent) |  | 0.90% |  |  |
Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Revolving Credit Facility | LIBOR |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Credit facility, basis spread on variable rate (as a percent) |  |  | 1.25% |  |
LIBOR rate (as a percent) |  |  | 0.52% |  |
Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Letter of Credit |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Interest rate, stated percentage |  |  | 1.25% |  |
Credit facility, maximum borrowing capacity |  |  |  | $ 5,000,000 |
Subsequent Event | Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Proceeds from line of credit | $ 30,000,000 |  |  |  |
Subsequent Event | Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Revolving Credit Facility | Minimum |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Interest rate (as a percent) | 2.14% |  |  |  |
Subsequent Event | Bank of America | Bank of America 2016 Credit Agreement | Line of Credit | Revolving Credit Facility | Maximum |  |  |  |  |
Short-term and Long-term Debt [Line Items] |  |  |  |  |
Interest rate (as a percent) | 3.75% |  |  |  |

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