|
Income per Common Share of the Trust, Anti-dilutive (Details) (Stock Option [Member])
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
|
Stock Option [Member]
|
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| Antidilutive Options Excluded from Computation of Earnings Per Share [Line Items] | ||
| Antidilutive Options Excluded from Computation of Earnings Per Share | 596,000 | 1,247,000 |