Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2015
Significant Accounting Policies [Line Items]  
Required Distribution of Taxable Net Income, Percentage on Annual Basis 90.00%
Minimum [Member]  
Significant Accounting Policies [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1 year
Maximum [Member]  
Significant Accounting Policies [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2 years