XML 113 R80.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Financing - Schedule of Forward Contracts Indexed to Issuer's Equity (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 16, 2024 | Aug. 30, 2024 | Aug. 23, 2024 | Aug. 16, 2024 | Aug. 13, 2024 | May 13, 2024 | Sep. 26, 2023 | Jun. 30, 2023 | May 30, 2023 | Mar. 20, 2023 | Mar. 15, 2023 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Forward Contract Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial forward price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  | $ 44.83 | $ 40.58 | $ 37.77 |  |
Shares (in shares) |  |  |  |  |  |  |  |  |  |  |  | 1,104,641 | 2,196,926 | 262,025 | 2,458,951 | 4,365,510
Settlement amount |  |  |  |  |  |  |  |  |  |  |  | $ 99,385 |  |  | $ 99,385 | $ 199,210
Bank of America |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial forward price (in dollars per share) |  |  |  |  |  | $ 37.76 |  |  |  |  | $ 48.49 |  |  |  |  |
Shares (in shares) |  |  |  |  |  | 262,025 |  |  |  |  | 504,452 |  |  |  |  |
Settlement price (in dollars per share) |  |  |  |  |  | $ 38.01 |  |  |  |  | $ 49.00 |  |  |  |  |
Settlement amount |  |  |  |  |  | $ 9,960 |  |  |  |  | $ 24,720 |  |  |  |  |
Wells Fargo Bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial forward price (in dollars per share) | $ 40.77 |  |  |  |  |  | $ 44.03 |  |  | $ 48.30 |  |  |  |  |  |
Shares (in shares) | 1,226,311 |  |  |  |  |  | 2,283,860 |  |  | 528,082 |  |  |  |  |  |
Settlement price (in dollars per share) | $ 40.85 |  |  |  |  |  | $ 44.11 |  |  | $ 48.78 |  |  |  |  |  |
Settlement amount | $ 50,093 |  |  |  |  |  | $ 100,734 |  |  | $ 25,758 |  |  |  |  |  |
MUFG |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial forward price (in dollars per share) |  |  |  | $ 40.26 |  |  |  | $ 44.87 | $ 47.56 |  |  |  |  |  |  |
Shares (in shares) |  |  |  | 261,066 |  |  |  | 804,477 | 244,639 |  |  |  |  |  |  |
Settlement price (in dollars per share) |  |  |  | $ 40.48 |  |  |  | $ 45.07 | $ 47.99 |  |  |  |  |  |  |
Settlement amount |  |  |  | $ 10,568 |  |  |  | $ 36,257 | $ 11,741 |  |  |  |  |  |  |
Citibank, N.A. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial forward price (in dollars per share) |  |  |  |  | $ 39.98 |  |  |  |  |  |  |  |  |  |  |
Shares (in shares) |  |  |  |  | 113,014 |  |  |  |  |  |  |  |  |  |  |
Settlement price (in dollars per share) |  |  |  |  | $ 40.21 |  |  |  |  |  |  |  |  |  |  |
Settlement amount |  |  |  |  | $ 4,545 |  |  |  |  |  |  |  |  |  |  |
Royal Bank of Canada |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial forward price (in dollars per share) |  |  | $ 40.36 |  |  |  |  |  |  |  |  |  |  |  |  |
Shares (in shares) |  |  | 284,952 |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement price (in dollars per share) |  |  | $ 40.56 |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement amount |  |  | $ 11,558 |  |  |  |  |  |  |  |  |  |  |  |  |
The Bank of Nova Scotia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial forward price (in dollars per share) |  | $ 40.47 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares (in shares) |  | 311,583 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement price (in dollars per share) |  | $ 40.64 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement amount |  | $ 12,661 |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Fair value of shares that would be issued upon settlement of forward contract indexed to equity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value per share that would be issued upon settlement of forward contract indexed to equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_ForwardContractIndexedToEquitySettlementShareFairValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The per share price of the Company's stock at which the contract holder of the freestanding contract has the right to purchase or sell the Company's stock at a future date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(1) -SubTopic 10 -Topic 480 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481648/480-10-50-2 + Details
Name: | us-gaap_ForwardContractIndexedToIssuersEquityForwardRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ForwardContractIndexedToIssuersEquityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum number of shares that could be issued to settle forward contract indexed to equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_ForwardContractIndexedToIssuersEquityShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=pnm_BankOfAmericaNAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=pnm_WellsFargoBankNAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=pnm_MUFGSecuritiesEMEAPlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=pnm_CitibankN.A.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=pnm_RoyalBankOfCanadaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=pnm_TheBankOfNovaScotiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |