Annual report pursuant to Section 13 and 15(d)

AMAK DEVELOPMENT COSTS (Details)

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AMAK DEVELOPMENT COSTS (Details) - AMAK - SAR (ر.س)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items]      
Cost ر.س 289,973,237 ر.س 289,973,237  
Accumulated amortization (168,705,573) (134,691,712)  
Development costs, net 121,267,664 155,281,525  
Amortization expenses related to development costs ر.س 34,014,000 ر.س 36,250,000 ر.س 18,200,000