DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Leases and Intangible Assetst (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2020 | |
| Leases | |
| Lease, Practical Expedients, Package [true false] | true |
| Minimum | |
| Intangible Assets | |
| Remaining Weighted Average Useful Life (Years) | 2 years |
| Maximum | |
| Intangible Assets | |
| Remaining Weighted Average Useful Life (Years) | 5 years |