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Schedule of Joint Venture Revenues and Net Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Schedule Of Equity Method Investments [Line Items] |  |
Revenues | $ 11,507 |
Operating income (loss) | 5,197 | $ (115)
Oak Grove Asset Acquisitions LP [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Revenues | 522 |
Operating income (loss) | 151 |
CPFH LLC [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Revenues | 10,985 |
Operating income (loss) | $ 5,046 | $ (115)

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