Schedule of Joint Venture Revenues and Net Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	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)