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Commitments and Contingencies - Navajo National Allottee Matters (Details) - Navajo Nation Allottee Matters - Public Service Company of New Mexico
 1 Months Ended
Sep. 30, 2012
landowner
Dec. 31, 2021
Allotment_Parcel
Dec. 01, 2015
Allotment_Parcel
Jul. 13, 2015
a
Jan. 22, 2015
Allotment_Parcel
Loss Contingencies [Line Items]          
Number of landowners involved in the appeal | landowner 43        
Number of allotments where landowners are revoking rights of way renewal consents (in allotment parcels)   6      
Allotments with right-of-way renewals not previously contested (in allotment parcels)         10
Acres of land at issue (in acres) | a       15.49  
Number of allotment parcels that cannot be condemned     2    
Number of allotment parcels at issue     5