v3.26.3
Related Party Transactions (Tables)
9 Months Ended
Sep. 30, 2026
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions The table below summarizes the nature and amount of related party transactions of TXNM, PNM, and TNMP:
Three Months EndedNine Months Ended
September 30,September 30,
2026202520262025
(In thousands)
Services billings:
TXNM to PNM
$31,547 $30,866 $97,275 $98,270 
TXNM to TNMP
13,597 12,136 41,833 39,621 
PNM to TNMP70 82 204 247 
TNMP to TXNM
27 22 69 78 
TNMP to PNM
— — — — 
Interest billings:
TXNM to PNM
119 49 182 133 
PNM to TXNM
110 133 335 398 
TXNM to TNMP
15 24 38 210