Consolidated Balance Sheets - PNMR (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current Assets:
Allowance for uncollectible accounts	$ 3,388	$ 4,925
Utility Plant:
Accumulated depreciation, nuclear fuel	35,840	43,985
Debt
Long-Term Debt	4,241,642	3,892,594
Current maturities of long-term debt	$ 280,169	$ 184,793
Deferred Credits and Other Liabilities:
Cumulative preferred stock of subsidiary, stated value (in dollars per share)	$ 100	$ 100
Cumulative preferred stock of subsidiary, shares authorized (in shares)	10,000,000	10,000,000
Cumulative preferred stock of subsidiary, shares issued (in shares)	115,293	115,293
Cumulative preferred stock of subsidiary, shares outstanding (in shares)	115,293	115,293
Company common stockholders’ equity:
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	90,200,384	90,200,384
Common stock, shares outstanding (in shares)	85,834,874	85,834,874
Securitized Bonds
Debt
Long-Term Debt	$ 338,521	$ 0
Current maturities of long-term debt	2,529	0
PNM
Current Assets:
Allowance for uncollectible accounts	3,388	4,925
Utility Plant:
Accumulated depreciation, nuclear fuel	35,840	43,985
Debt
Long-Term Debt	2,061,558	1,816,107
Current maturities of long-term debt	$ 200,222	$ 184,793
Company common stockholders’ equity:
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares issued (in shares)	39,117,799	39,117,799
Common stock, shares outstanding (in shares)	39,117,799	39,117,799
PNM | Securitized Bonds
Debt
Long-Term Debt	$ 338,521	$ 0
Current maturities of long-term debt	2,529	0
TNMP
Debt
Long-Term Debt	1,180,933	1,076,875
Current maturities of long-term debt	$ 79,947	$ 0
Company common stockholders’ equity:
Common stock, shares authorized (in shares)	12,000,000	12,000,000
Common stock, shares issued (in shares)	6,358	6,358
Common stock, shares outstanding (in shares)	6,358	6,358