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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Total | Common stock | Retained earnings | Accumulated other comprehensive income (loss) | Hawaiian Electric Company, Inc. and Subsidiaries | Hawaiian Electric Company, Inc. and Subsidiaries Common stock | Hawaiian Electric Company, Inc. and Subsidiaries Premium on capital stock | Hawaiian Electric Company, Inc. and Subsidiaries Retained earnings | Hawaiian Electric Company, Inc. and Subsidiaries Accumulated other comprehensive income (loss)
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2011 | $ 1,528,706 | $ 1,349,446 | $ 198,397 | $ (19,137) | $ 1,402,841 | $ 94,911 | $ 426,921 | $ 881,041 | $ (32)
Balance (in shares) at Dec. 31, 2011 |  | 96,038,000 |  |  |  | 14,234,000 |  |  |
Increase (decrease) in stockholders' equity |  |  |  |  |  |  |  |  |
Net income for common stock | 138,658 |  | 138,658 |  | 99,276 |  |  | 99,276 |
Other comprehensive income (loss), net of tax benefits | (7,286) |  |  | (7,286) | (938) |  |  |  | (938)
Issuance of common stock: Dividend reinvestment and stock purchase plan | 41,295 | $ 41,295 |  |  | 44,001 |  |  |  |
Issuance of common stock: Dividend reinvestment and stock purchase plan (in shares) |  | 1,560,000 |  |  |  |  |  |  |
Issuance of common stock: Retirement savings and other plans | 8,196 | $ 8,196 |  |  |  |  |  |  |
Issuance of common stock: Retirement savings and other plans (in shares) |  | 330,000 |  |  |  |  |  |  |
Issuance of common stock: Expenses and other, net | 4,547 | $ 4,547 |  |  |  |  |  |  |
Issuance of common stock, net of expenses |  |  |  |  |  | 431,000 |  |  |
Issuance of common stock, net of expenses (in shares) |  |  |  |  | 44,001 | $ 2,877 | 41,124 |  |
Dividend equivalents paid on equity-classified awards | (101) |  | (101) |  |  |  |  |  |
Common stock dividends | (120,150) |  | (120,150) |  | (73,044) |  |  | (73,044) |
Balance (in shares) at Dec. 31, 2012 |  | 97,928,000 |  |  |  | 14,665,000 |  |  |
Ending Balance at Dec. 31, 2012 | 1,593,865 | $ 1,403,484 | 216,804 | (26,423) | 1,472,136 | $ 97,788 | 468,045 | 907,273 | (970)
Increase (decrease) in stockholders' equity |  |  |  |  |  |  |  |  |
Net income for common stock | 161,516 |  | 161,516 |  | 122,929 |  |  | 122,929 |
Other comprehensive income (loss), net of tax benefits | 9,673 |  |  | 9,673 | 1,578 |  |  |  | 1,578
Partial settlement of equity forward (in shares) |  | 1,300,000 |  |  |  |  |  |  |
Partial settlement of equity forward | 33,409 | $ 33,409 |  |  |  |  |  |  |
Issuance of common stock: Dividend reinvestment and stock purchase plan | 41,692 | $ 41,692 |  |  | 78,499 |  |  |  |
Issuance of common stock: Dividend reinvestment and stock purchase plan (in shares) |  | 1,612,000 |  |  |  |  |  |  |
Issuance of common stock: Retirement savings and other plans | 9,203 | $ 9,203 |  |  |  |  |  |  |
Issuance of common stock: Retirement savings and other plans (in shares) |  | 420,000 |  |  |  |  |  |  |
Issuance of common stock: Expenses and other, net | 338 | $ 338 |  |  |  |  |  |  |
Issuance of common stock, net of expenses |  |  |  |  |  | 764,000 |  |  |
Issuance of common stock, net of expenses (in shares) |  |  |  |  | 78,499 | $ 5,092 | 73,407 |  |
Common stock dividends | $ (122,626) |  | (122,626) |  | (81,578) |  |  | (81,578) |
Balance (in shares) at Dec. 31, 2013 | 101,259,800 | 101,260,000 |  |  |  | 15,429,000 |  |  |
Ending Balance at Dec. 31, 2013 | $ 1,727,070 | $ 1,488,126 | 255,694 | (16,750) | 1,593,564 | $ 102,880 | 541,452 | 948,624 | 608
Increase (decrease) in stockholders' equity |  |  |  |  |  |  |  |  |
Net income for common stock | 168,320 |  | 168,320 |  | 137,641 |  |  | 137,641 |
Other comprehensive income (loss), net of tax benefits | (10,628) |  |  | (10,628) | (563) |  |  |  | (563)
Partial settlement of equity forward (in shares) |  | 1,000,000 |  |  |  |  |  |  |
Partial settlement of equity forward | 24,873 | $ 24,873 |  |  |  |  |  |  |
Issuance of common stock: Dividend reinvestment and stock purchase plan | 2,461 | $ 2,461 |  |  | 39,994 |  |  |  |
Issuance of common stock: Dividend reinvestment and stock purchase plan (in shares) |  | 95,000 |  |  |  |  |  |  |
Issuance of common stock: Retirement savings and other plans | 6,816 | $ 6,816 |  |  |  |  |  |  |
Issuance of common stock: Retirement savings and other plans (in shares) |  | 210,000 |  |  |  |  |  |  |
Issuance of common stock: Expenses and other, net | (979) | $ (979) |  |  |  |  |  |  |
Issuance of common stock, net of expenses |  |  |  |  |  | 376,000 |  |  |
Issuance of common stock, net of expenses (in shares) |  |  |  |  | 39,994 | $ 2,508 | 37,486 |  |
Common stock dividends | $ (126,505) |  | (126,505) |  | (88,492) |  |  | (88,492) |
Balance (in shares) at Dec. 31, 2014 | 102,565,266 | 102,565,000 |  |  |  | 15,805,000 |  |  |
Ending Balance at Dec. 31, 2014 | $ 1,791,428 | $ 1,521,297 | $ 297,509 | $ (27,378) | $ 1,682,144 | $ 105,388 | $ 578,938 | $ 997,773 | $ 45

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