Goodwill (Details) - USD ($) |
1 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Oct. 24, 2014 |
Jun. 30, 2015 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 01, 2018 |
|
| Goodwill [Line Items] | |||||||
| Goodwill | $ 0 | $ 5,486,000 | $ 5,490,000 | ||||
| Restriction period for conversion of common units issued into shares | 1 year | ||||||
| Impairment of goodwill | $ 5,486,000 | 0 | $ 0 | ||||
| Operating Companies [Member] | |||||||
| Goodwill [Line Items] | |||||||
| Goodwill | $ 7,000,000 | ||||||
| Fair value discount on common units issued for acquisition | $ 1,180,000 | ||||||
| Consideration paid with common units | $ 6,750,000 | ||||||
| Allocation to finite-lived intangibles | $ 337,000 | ||||||
| Adjustments to goodwill | $ 0 | $ 0 | |||||
| X | ||||||||||
- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition 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. No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Business Combination, Restriction Period for Equity Interests Issued and Issuable No definition available.
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- Details
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