Description of the calculation of undistributed net loss.

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Description of the distribution amount per unit for all classes of units.

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Allocation of net income/ loss between each class of units.

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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- Definition

Per unit of ownership amount of cash distributions declared to unit-holder of a limited liability company (LLC).

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Amount of cash distribution paid to unit-holder of limited partnership (LP).

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Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Date of declaration for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Date of distribution for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Cash Distributions and Earnings per Unit (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Distribution Made To Limited Partner [Line Items]
Description of the distribution amount per unit for all classes of units		The first 98% of the quarterly distribution is paid to all common unitholders. The incentive distributions rights (held by the General Partner) apply only after a minimum quarterly distribution of $0.4025.
Annual cash distribution per unit		$ 0.06
Description of loss allocation		Net loss per unit undistributed is determined by taking the distributions in excess of net income and allocating between common units and general partner units on a 98%-2% basis.
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		3,154,112	1,353,335
Common and subordinated units
Distribution Made To Limited Partner [Line Items]
Net loss allocated to each class of unit		98.00%
General Partner Units
Distribution Made To Limited Partner [Line Items]
Net loss allocated to each class of unit		2.00%
Installment 1 - FY 2018
Distribution Made To Limited Partner [Line Items]
Declaration date		Apr. 30, 2018
Cash distribution declared per unit		$ 0.02
Distribution date		May 14, 2018
Date of record		May 10, 2018
Aggregate amount of cash distributions paid		$ 3,420
Installment 2 - FY 2018
Distribution Made To Limited Partner [Line Items]
Declaration date		Jul. 31, 2018
Cash distribution declared per unit		$ 0.02
Distribution date		Aug. 10, 2018
Date of record		Aug. 07, 2018
Aggregate amount of cash distributions paid		$ 3,420
Installment 3 - FY 2018
Distribution Made To Limited Partner [Line Items]
Declaration date		Oct. 31, 2018
Cash distribution declared per unit		$ 0.02
Distribution date		Nov. 14, 2018
Date of record		Nov. 07, 2018
Aggregate amount of cash distributions paid		$ 3,420
Installment 4 - FY 2018 \| Subsequent Event
Distribution Made To Limited Partner [Line Items]
Declaration date	Jan. 31, 2019
Cash distribution declared per unit	$ 0.02
Distribution date	Feb. 14, 2019
Date of record	Feb. 11, 2019
Aggregate amount of cash distributions paid	$ 3,458