cm:Concept: us-gaap:CommonStockSharesSubscriptions
| Common Stock, Value, Subscriptions |
| us-gaap:CommonStockSharesSubscriptions |
| Monetary value of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Credit |
| false |
| us-gaap:CommonStockSharesSubscriptions |