|
Income per Common Share of the Trust, Dilutive (Details) (Stock Option [Member], Common shares [Member])
|
3 Months Ended | 12 Months Ended |
|---|---|---|
|
Mar. 31, 2015
|
Dec. 31, 2014
|
|
|
Stock Option [Member] | Common shares [Member]
|
||
| Stock Option Exercises [Line Items] | ||
| Amount of Options Exercises in Period | 44,000 | 44,000 |