COMMITMENTS (FY) (Details) - USD ($) |
Dec. 10, 2020 |
Aug. 12, 2019 |
|---|---|---|
| Underwriting Agreement [Abstract] | ||
| Cash underwriting discount (in dollars per share) | $ 0.20 | |
| Underwriting fees | $ 5,000,000 | |
| Deferred underwriting discount (in dollars per share) | $ 0.35 | |
| Deferred underwriting fees | $ 8,750,000 | |
| WM Holding and Ghost Media Group, LLC [Member] | ||
| Merger Agreement [Abstract] | ||
| Merger consideration | $ 1,310,000,000 |