Condensed Consolidated Statements of Changes in Equity - PNMR - USD ($) $ in Thousands	Total	Total PNMR Common Stockholders’ Equity	Common Stock	AOCI	Retained Earnings	Non- controlling Interest in Valencia
Beginning balance at Dec. 31, 2020	$ 2,108,474	$ 2,049,465	$ 1,429,941	$ (79,183)	$ 698,707	$ 59,009
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings before subsidiary preferred stock dividends	21,205	17,711			17,711	3,494
Total other comprehensive income (loss)	(3,159)	(3,159)		(3,159)
Subsidiary preferred stock dividends	(132)	(132)			(132)
Dividends declared on common stock	(28,111)	(28,111)			(28,111)
Awards of common stock	(9,027)	(9,027)	(9,027)
Stock based compensation expense	4,219	4,219	4,219
Valencia’s transactions with its owner	(5,243)					(5,243)
Ending balance at Mar. 31, 2021	2,088,226	2,030,966	1,425,133	(82,342)	688,175	57,260
Beginning balance at Dec. 31, 2021	2,222,929	2,167,524	1,429,257	(71,936)	810,203	55,405
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings before subsidiary preferred stock dividends	19,218	16,123			16,123	3,095
Total other comprehensive income (loss)	(4,644)	(4,644)		(4,644)
Subsidiary preferred stock dividends	(132)	(132)			(132)
Dividends declared on common stock	(59,656)	(59,656)			(59,656)
Awards of common stock	(6,735)	(6,735)	(6,735)
Stock based compensation expense	3,052	3,052	3,052
Valencia’s transactions with its owner	(4,232)					(4,232)
Ending balance at Mar. 31, 2022	$ 2,169,800	$ 2,115,532	$ 1,425,574	$ (76,580)	$ 766,538	$ 54,268