v3.8.0.1
Long-Term Incentive Plan Units (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 12, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common Stock, Capital Shares Reserved for Future Issuance   1,922,188   1,922,188  
Share-based LTIP expense   $ 97 $ 101 $ 285 $ 300
Long-Term Incentive Plan Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
LTIP Unit Grants in Period   10,002 8,403 10,002 8,403
Director [Member] | Long-Term Incentive Plan Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
LTIP Unit Grants in Period 10,002