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v3.20.2

Share-based compensation - Service based options activity (Details) - Service-based options $ / shares in Units, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) $ / shares shares
Options (in shares) |  |
Outstanding Beginning Balance | shares | 4,073,286 |
Granted | shares | 0 |
Exercised | shares | (33,792) |
Outstanding Ending Balance | shares | 4,039,494 | 4,073,286
Exercisable | shares | 2,400,693 |
Vested or expected to vest | shares | 4,039,494 |
Weighted Average Exercise Price |  |
Outstanding Beginning Balance | $ / shares | $ 5.65 |
Exercised | $ / shares | 5.49 |
Outstanding Ending Balance | $ / shares | 5.65 | $ 5.65
Exercisable | $ / shares | 5.50 |
Vested or expected to vest | $ / shares | $ 5.65 |
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value |  |
Remaining term, options outstanding | 7 years 3 months 18 days | 8 years 1 month 6 days
Remaining term, options exercisable | 7 years 2 months 12 days |
Remaining term, options vested or expected to vest | 7 years 3 months 18 days |
Aggregate intrinsic value, options outstanding, beginning | $ | $ 37,520 |
Aggregate intrinsic value, options exercised | $ | 498 |
Aggregate intrinsic value, options outstanding, ending | $ | 129,098 | $ 37,520
Aggregate intrinsic value, options exercisable | $ | 77,080 |
Aggregate intrinsic value, options vested or expected to vest | $ | 129,098 |
Total fair value, options vested in period | $ | $ 1,100 |

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