Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Weighted Average Assumptions) (Details) - Jun. 30, 2015 |
Total |
Total |
|---|---|---|
| Time Vesting Options [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected life (in years) | 6 years | 6 years |
| Risk-free interest rate | 2.04% | 2.04% |
| Volatility | 29.00% | 29.00% |
| Dividend yield | 3.50% | 3.50% |
| Price Vesting Options [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected life (in years) | 5 years 9 months 18 days | 5 years 9 months 18 days |
| Risk-free interest rate | 1.96% | 1.96% |
| Volatility | 29.00% | 29.00% |
| Dividend yield | 3.50% | 3.50% |