Commitments And Contingencies (Roseland Contingent Consideration) (Narrative) (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2015 |
Oct. 23, 2012 |
|
| Roseland Partners, L.L.C. [Member] | ||
| Business Acquisition, Contingent Consideration [Line Items] | ||
| Fair value of contingent consideration | $ 10,000,000 | |
| Business acquisition, contingent cash payment | $ 900,000 | |
| Purchase accounting adjustments | $ 0 | |
| Completion/Start Of Certain Developments [Member] | Minimum [Member] | ||
| Business Acquisition, Contingent Consideration [Line Items] | ||
| Probability of occurrence | 92.00% | |
| Completion/Start Of Certain Developments [Member] | Maximum [Member] | ||
| Business Acquisition, Contingent Consideration [Line Items] | ||
| Probability of occurrence | 99.00% | |
| Obtaining Of Tax Credits/Grants [Member] | ||
| Business Acquisition, Contingent Consideration [Line Items] | ||
| Probability of occurrence | 50.00% |