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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	Note 23 —Subsequent Events In February 2020, the Company converted the principal and accrued interest under the November 2019 Convertible Note into common units of NG Advantage resulting in an increase in the Company’s controlling interest in NG Advantage to 93.2%.