Long-Term Incentive Plan Units Long-Term Incentive Plan Units (Unvested LTIP Units) (Details) - Long-Term Incentive Plan Units [Member]	6 Months Ended
	Jun. 30, 2016 shares
Schedule of Unvested LTIP Units [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Unvested	28,818
Director [Member]
Schedule of Unvested LTIP Units [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Unvested	7,425
LTIP Unit, Grant Date	Sep. 15, 2015
LTIP Unit, Vesting Date	Sep. 14, 2016	[1]
Vest December 15, 2016 [Member] | Dedicated or partially dedicated personnel [Member]
Schedule of Unvested LTIP Units [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Unvested	7,822
LTIP Unit, Grant Date	Dec. 15, 2015
LTIP Unit, Vesting Date	Dec. 15, 2016	[1]
Vest December 31, 2016 [Member] | Dedicated or partially dedicated personnel [Member]
Schedule of Unvested LTIP Units [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Unvested	689
LTIP Unit, Grant Date	Dec. 15, 2015
LTIP Unit, Vesting Date	Dec. 31, 2016	[1]
Vest December 15, 2017 [Member] | Dedicated or partially dedicated personnel [Member]
Schedule of Unvested LTIP Units [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Unvested	5,949
LTIP Unit, Grant Date	Dec. 15, 2015
LTIP Unit, Vesting Date	Dec. 15, 2017	[1]
Vest December 31, 2017 [Member] | Dedicated or partially dedicated personnel [Member]
Schedule of Unvested LTIP Units [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Unvested	686
LTIP Unit, Grant Date	Dec. 15, 2015
LTIP Unit, Vesting Date	Dec. 31, 2017	[1]
Vest December 11, 2016 [Member] | Dedicated or partially dedicated personnel [Member]
Schedule of Unvested LTIP Units [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Unvested	6,247
LTIP Unit, Grant Date	Dec. 11, 2014
LTIP Unit, Vesting Date	Dec. 11, 2016	[1]

[1] Date at which such LTIP units will vest and become non-forfeitable.