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Borrowings (Details) - USD ($) $ in Thousands |  | 9 Months Ended
--- | --- | ---
May 16, 2018 | Sep. 30, 2018
Term Loans |  |
Amount of term loan facility | $ 50,000 |
Net proceeds from the loan | $ 49,300 | $ 49,292
Percentage of premium payable on redemption of the term loan | 1.00% |
Amount of fee payable upon closing of the term loan | $ 500 |
Exit fee (as a percent) | 3.00% |
Expiration term of exit fee | 10 years |
Minimum unrestricted cash and cash equivalents to be maintained | $ 50,000 |
Additional default interest rate | 4.00% |
Future debt payment obligations |  |
2020 |  | 2,083
2021 |  | 25,000
2022 |  | 24,892
Total |  | 51,975
Less: Unamortized discount and debt issuance costs |  | (1,144)
Less: Unaccreted value of final fee |  | (1,811)
Loan payable, long term |  | $ 49,020
At Maturity |  |
Term Loans |  |
Final payment fee (as a percent) | 3.95% |
Prior to first anniversary of closing date |  |
Term Loans |  |
Prepayment fee (as a percent) | 3.00% |
After first anniversary of closing date |  |
Term Loans |  |
Prepayment fee (as a percent) | 2.00% |
After second anniversary to maturity date |  |
Term Loans |  |
Prepayment fee (as a percent) | 1.00% |
LIBOR |  |
Term Loans |  |
Floating interest rate | 7.45% |

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