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Earnings Per Share / Capital Stock (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of reconciliation of Registrant's net income and weighted average Common Shares outstanding for calculating basic net income per share | The following is a reconciliation of Registrant’s net income and weighted average Common Shares outstanding used to calculate basic EPS:
Basic: |  | For The Years Ended December 31,
(in thousands, except per share amounts) |  | 2023 |  | 2022 |  | 2021
Net income |  | $ | 124,921 |  |  | $ | 78,396 |  |  | $ | 94,347 |
Less: impact from participating securities |  | 372 |  |  | 197 |  |  | 244 |
Total income available to common shareholders |  | $ | 124,549 |  |  | $ | 78,199 |  |  | $ | 94,103 |
Weighted average Common Shares outstanding, basic |  | 36,976 |  | 36,955 |  |  | 36,921 |
Basic earnings per Common Share |  | $ | 3.37 |  |  | $ | 2.12 |  |  | $ | 2.55 |
Schedule of reconciliation of Registrant's net income and weighted average Common Shares outstanding for calculating diluted net income per share | The following is a reconciliation of Registrant’s net income and weighted average Common Shares outstanding used to calculate diluted EPS:
Diluted: |  | For The Years Ended December 31,
(in thousands, except per share amounts) |  | 2023 |  | 2022 |  | 2021
Common shareholders earnings, basic |  | $ | 124,549 |  |  | $ | 78,199 |  |  | $ | 94,103 |
Undistributed earnings for dilutive stock options and restricted stock units |  | 189 |  |  | 55 |  |  | 110 |
Total common shareholders earnings, diluted |  | $ | 124,738 |  |  | $ | 78,254 |  |  | $ | 94,213 |
Weighted average Common Shares outstanding, basic |  | 36,976 |  |  | 36,955 |  |  | 36,921 |
Stock-based compensation (1) |  | 101 |  |  | 84 |  |  | 89 |
Weighted average Common Shares outstanding, diluted |  | 37,077 |  |  | 37,039 |  |  | 37,010 |
Diluted earnings per Common Share |  | $ | 3.36 |  |  | $ | 2.11 |  |  | $ | 2.55 |
(1) In applying the treasury stock method of reflecting the dilutive effect of outstanding stock-based compensation in the calculation of diluted EPS, 115,684, 96,988 and 100,020 restricted stock units, including performance awards to officers of AWR, at December 31, 2023, 2022 and 2021, respectively, were deemed to be outstanding in accordance with accounting guidance on earnings per share.

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