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Earnings and Dividends Per Share | 12 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Earnings and Dividends Per Share | Earnings and Dividends Per Share Basic earnings per share is computed by dividing net earnings attributable to TXNM by the weighted average number of common shares outstanding during the period. Diluted earnings per share was computed by dividing net earnings attributable to TXNM by the diluted weighted average number of common shares outstanding during the period. Diluted earnings per share reflect the potential dilution that could occur if securities or other agreements to issue common stock were settled. TXNM applies the treasury stock method for restricted stock, the 2022 ATM Program, and the 2024 ATM Program. The if-converted method is applied in determining the potential dilutive effect of the conversion of outstanding Convertible Notes. Information regarding the computation of earnings per share and dividends per share is as follows:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (In thousands, except per share amounts)
Net Earnings Attributable to TXNM | $ | 242,154 |  |  | $ | 87,818 |  |  | $ | 169,530 |
Average Number of Common Shares: |  |  |  |  |
Outstanding during year | 90,214 |  |  | 86,038 |  |  | 85,835 |
Vested awards of restricted stock | 320 |  |  | 258 |  |  | 287 |
Average Shares – Basic | 90,534 |  |  | 86,296 |  |  | 86,122 |
Dilutive Effect of Common Stock Equivalents: |  |  |  |  |
TXNM ATM Programs | 12 |  |  | 38 |  |  | — |
Restricted stock | 45 |  |  | 35 |  |  | 47 |
Average Shares – Diluted | 90,591 |  |  | 86,369 |  |  | 86,169 |
Net Earnings Attributable to TXNM Per Share of Common Stock: |  |  |  |  |
Basic | $ | 2.67 |  |  | $ | 1.02 |  |  | $ | 1.97 |
Diluted | $ | 2.67 |  |  | $ | 1.02 |  |  | $ | 1.97 |
Dividends Declared per Common Share | $ | 1.57 |  |  | $ | 1.49 |  |  | $ | 1.41 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details
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