Share-based compensation (Q3) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
May 06, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 19, 2019 |
Apr. 29, 2019 |
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| Stock Awards [Abstract] | |||||||||
| Share-based compensation expense | $ 1,543 | $ 2,496 | $ 7,047 | $ 6,708 | |||||
| Awards granted (in shares) | 2,503,371 | ||||||||
| Stock options | |||||||||
| Stock Awards [Abstract] | |||||||||
| Awards granted (in shares) | 160,000 | 300,000 | 5,993,000 | 38,462 | |||||
| 2019 Plan | |||||||||
| Stock Awards [Abstract] | |||||||||
| Awards available for issuance (in shares) | 6,000,000 | 6,000,000 | |||||||
| 2019 Plan | Stock options | |||||||||
| Stock Awards [Abstract] | |||||||||
| Share-based compensation expense | $ 10,300 | $ 400 | |||||||
| Awards granted (in shares) | 2,503,371 | ||||||||
| Amended 2019 Plan | |||||||||
| Stock Awards [Abstract] | |||||||||
| Awards available for issuance (in shares) | 9,000,000 | ||||||||
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Number of shares authorized for issuance under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Details
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- Details
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- Details
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