cm:Concept: us-gaap:EffectiveIncomeTaxRateReconciliationDispositionOfAssets
| Effective Income Tax Rate Reconciliation, Disposition of Asset, Percent |
| us-gaap:EffectiveIncomeTaxRateReconciliationDispositionOfAssets |
| Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to disposition of asset. Includes, but is not limited to, intra-entity transfer of asset other than inventory. |
| cm:Concept |
| Percent (num:percentItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:EffectiveIncomeTaxRateReconciliationDispositionOfAssets |