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Earnings per Share/Capital Stock: (Details 2) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | May 19, 2015
Additional disclosure |  |  |  |  |
Options outstanding (in shares) | 138,060 | 174,306 | 138,060 | 174,306 |
Stock options not included in the calculation of diluted EPS (in shares) |  |  | 0 |  |
Anti-dilutive stock options not included in the computation of diluted EPS (in shares) |  |  | 0 | 0 |
Common Shares issued under DRP and the 2000 and 2008 Employee Plans |  |  | 67,832 | 96,157 |
Value of Common Shares issued under DRP and the 2000 and 2008 Employee Plans |  |  | $ 210 | $ 746 |
Dividends paid | $ 8,200 | $ 8,300 | $ 24,558 | $ 24,497 |
Quarterly dividends paid, per share of common stock (in dollars per share) | $ 0.224 | $ 0.224 | $ 0.672 | $ 0.650 |
Restricted Stock Units |  |  |  |  |
Additional disclosure |  |  |  |  |
Restricted stock units outstanding (in shares) | 216,733 | 211,406 | 216,733 | 211,406 |
2014 and 2015 Stock Repurchase Programs | AWR |  |  |  |  |
Additional disclosure |  |  |  |  |
Authorized shares to be repurchased |  |  |  |  | 2,450,000.00
Common Shares repurchased in the open market under DRP and 401(k) Plan |  |  |  | 1,700,000.0 |

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