Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.5.0.2
Commitments and Contingencies - Additional Information (Detail)
 1 Months Ended 6 Months Ended
Sep. 30, 2015
USD ($)
a
Well
Jan. 31, 2015
USD ($)
a
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Loss Contingencies [Line Items]        
Estimated cost     $ 7,883,458 $ 1,589,150
Espinosa Road [Member]        
Loss Contingencies [Line Items]        
Area of nonfarmable land | a   4.5    
Fair compensation amount for nonfarmable land   $ 160,000    
Bear Mountain [Member]        
Loss Contingencies [Line Items]        
Removal area of old grape vineyards | a 274      
Number of new drilling wells | Well 3      
Area of new almond trees (over) | a 800      
Estimated cost $ 7,800,000      
Expended or accrued for capital improvements     $ 7,100,000