For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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NATURE OF BUSINESS, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND OTHER - Concentration of Customers (Details) - Oil And Gas Sales And Other Revenue - Major Customers	2 Months Ended	10 Months Ended	12 Months Ended
	Dec. 31, 2020	Oct. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Three California Refineries
Revenue Recognition
Concentration risk percentage	50.00%
Two California Refineries
Revenue Recognition
Concentration risk percentage		46.00%	46.00%	43.00%