Debt - Fair value (Q1) (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Debt Disclosure [Abstract] | ||||
| Interest expense | $ 0.8 | $ 2.3 | $ 9.2 | $ 0.7 |
| November 2019 Notes | ||||
| Debt Instrument [Line Items] | ||||
| Debt fair value | 2.6 | 2.5 | ||
| Senior Seller Notes | ||||
| Debt Instrument [Line Items] | ||||
| Debt fair value | 9.5 | 9.0 | ||
| Junior Seller Notes | ||||
| Debt Instrument [Line Items] | ||||
| Debt fair value | 4.7 | 4.5 | ||
| ABG Notes | ||||
| Debt Instrument [Line Items] | ||||
| Debt fair value | 0.6 | 0.5 | ||
| June 2020 Notes | ||||
| Debt Instrument [Line Items] | ||||
| Debt fair value | $ 1.3 | $ 1.3 | ||
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- References No definition available.
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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