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 |  |  |  |

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