| B | 
	        2020-02-12 11:06:00.0 | 
    		Extraction Oil & Gas | 
		XOG | 
		DIMENSIONAL FUND ADVISORS LP | 
		5.7% | 
    		view | 
  	
  	
  		| B | 
	        2016-11-07 12:27:02.0 | 
    		Extraction Oil & Gas | 
		n/a | 
		Yorktown Energy Partners X | 
		12.0% | 
    		view | 
  	
  	
  		| B | 
	        2016-11-07 12:22:55.0 | 
    		Extraction Oil & Gas | 
		n/a | 
		Yorktown Energy Partners IX | 
		5.2% | 
    		view |