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Debt Obligations - Convertible Notes due 2022 Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 29, 2016 | Mar. 31, 2022 | Jan. 31, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Apr. 14, 2020
Debt Instrument |  |  |  |  |  |  |
Outstanding amount payoff |  |  |  |  | $ 109,000 |  |
Closing stock, price per share |  |  |  |  | $ 9.61 |  | $ 14.815
Convertible Notes | 8.2% Convertible Notes due 2022 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Principal amount | $ 100,000 |  | $ 100,000 |  |  |  |
Stated interest rate | 8.20% | 8.20% |  |  |  |  |
Interest expense |  |  |  | $ 2,547 | $ 2,571 | $ 7,607 |
Interest rate description |  |  |  |  | The 2022 Convertible Notes bore interest at a fixed coupon rate of 8.2% per annum payable quarterly in arrears on March 31, June 30, September 30 and December 31 of each year, since March 31, 2016 |  |
Debt instrument maturity date | Mar. 31, 2022 |  |  |  |  |  |
Outstanding amount payoff |  | $ 111,100 | $ 111,100 |  |  |  |
Total Convertible Notes |  | $ 0 |  |  |  |  |
Convertible notes, premium percentage | 9.00% | 9.00% |  |  |  |  |

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