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v3.23.1

Long-Term Debt - Narrative (Details) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 28, 2023 USD ($) | Apr. 05, 2022 USD ($) day | Feb. 16, 2018 USD ($) day $ / shares Rate | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Nov. 04, 2022 USD ($)
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Interest expense, debt |  |  |  | $ 12,342 | $ 9,942 |
Coupon interest expense |  |  |  | 6,405 | 6,469 |
Amortization of debt discount and debt issuance costs |  |  |  | 6,052 | 1,248 |
Gain on early extinguishment of debt |  |  |  | 203 |  |
Payments of debt issuance costs |  |  |  | 4,804 | 0 |
Increase in embedded conversion feature |  | $ 5,508 |  |  |  |
Change in fair value of October 2023 Notes conversion feature |  | 5,508 |  | 5,508 |  |
ADSs, conversion ratio | Rate |  |  | 9269.56% |  |  |
Senior Notes |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Amortization of debt discount and debt issuance costs |  |  |  | $ 6,052 | 1,248 |
4.50% Exchangeable Senior Notes Due February 2023 |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Interest rate |  |  |  | 4.50% |  |
4.50% Exchangeable Senior Notes Due February 2023 | Senior Notes |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Additional interest expense |  |  |  | $ 88 | 2,225 |
Long-term debt, gross |  |  |  | $ 17,500 | 143,750 |
4.50% Exchangeable Senior Notes Due February 2023 | Convertible Debt |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Repurchase of debt |  |  |  |  |  | $ 8,875
Cash consideration for debt repurchased |  |  |  |  |  | $ 8,653
Aggregate principal amount |  | 26,375 | $ 125,000 |  |  |
Option to increase aggregate principal amount |  |  | 18,750 |  |  |
Proceeds from loans or conditional grants |  |  | $ 137,560 |  |  |
ADS, option price per share (in dollars per share) | $ / shares |  |  | $ 10.79 |  |  |
ADS premium percentage |  |  | 20.00% |  |  |
ADS purchased, price per share (in dollars per share) | $ / shares |  |  | $ 8.99 |  |  |
4.50% Exchangeable Senior Notes Due February 2023 | Convertible Debt | Period one |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Number of business days |  |  | 5 days |  |  |
Consecutive business days |  |  | 5 days |  |  |
Percentage of product of the last reported sale price of the American Depositary Shares and the exchange rate on each such trading day |  |  | 98.00% |  |  |
4.50% Exchangeable Senior Notes Due February 2023 | Convertible Debt | Period two |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Scheduled threshold trading days |  |  | 95 days |  |  |
Threshold trading days | day |  |  | 35 |  |  |
4.50% Exchangeable Senior Notes Due February 2023 | Convertible Debt | Period three |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Threshold trading days | day |  |  | 20 |  |  |
Consecutive trading days | day |  |  | 30 |  |  |
Threshold percentage of stock price trigger |  |  | 130.00% |  |  |
4.50 Percent Exchangeable Senior Notes Due October 2023 | Senior Notes |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Payments of debt issuance costs |  | 4,804 |  |  |  |
4.50 Percent Exchangeable Senior Notes Due October 2023 | Senior Notes | Third Party |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Payments of debt issuance costs |  | 5,450 |  |  |  |
4.50 Percent Exchangeable Senior Notes Due October 2023 | Convertible Debt |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Amount exchanged |  | $ 117,375 |  |  |  |
4.50 Percent Exchangeable Senior Notes Due October 2023 | Convertible Debt | Period three |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Threshold trading days | day |  | 20 |  |  |  |
Consecutive trading days | day |  | 30 |  |  |  |
Threshold percentage of stock price trigger |  | 130.00% |  |  |  |
4.50% Exchangeable Senior Notes Due October 2023 |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Interest rate |  |  |  | 4.50% |  |
4.50% Exchangeable Senior Notes Due October 2023 | Senior Notes |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross |  |  |  | $ 117,375 | $ 0 |
4.50% Exchangeable Senior Notes Due October 2023 | Senior Notes | Subsequent event |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Long-term debt, gross | $ 21,187 |  |  |  |  |
Debt exchanged | $ 96,188 |  |  |  |  |
April 2027 Notes | Subsequent event |  |  |  |  |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |  |
Interest rate | 6.00% |  |  |  |  |

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