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CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (Parenthetical) - Star Peak Energy Transition Corp [Member] - Common Class B - shares
12 Months Ended
Aug. 26, 2020
Dec. 31, 2020
Mar. 31, 2021
Jul. 13, 2020
Dec. 31, 2019
Maximum shares subject to forfeiture       1,312,500  
Common stock, shares forfeited (in shares)   472,874      
Over-allotment          
Maximum shares subject to forfeiture 472,874 1,312,500 1,312,500   1,312,500
Common stock, shares forfeited (in shares) 472,874