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Earnings per Share/Capital Stock: (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified | 0 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  | 3 Months Ended | 0 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 20, 2014 | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 Restricted Stock Units | Jun. 30, 2013 Restricted Stock Units | Mar. 27, 2014 AWR | Jun. 30, 2014 AWR | May 20, 2014 Minimum AWR | May 20, 2014 Maximum AWR
Additional disclosure |  |  |  |  |  |  |  |  |  |  |
Options outstanding (in shares) |  | 245,784 | 281,668 | 245,784 | 281,668 |  |  |  |  |  |
Restricted stock units outstanding (in shares) |  |  |  |  |  | 239,226 | 260,906 |  |  |  |
Stock options included in the calculation of diluted EPS (in shares) |  |  |  | 245,784 |  |  |  |  |  |  |
Stock options not included in the calculation of diluted EPS (in shares) |  | 0 |  | 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 |  |  |  | 70,573 | 208,986 |  |  |  |  |  |
Value of Common Shares issued under DRP and the 2000 and 2008 Employee Plans |  |  |  | $ 219 | $ 1,832 |  |  |  |  |  |
Common Shares repurchased in the open market under DRP and 401(k) Plan |  |  |  | 192,188 | 481,224 |  |  |  | 9,300 |  |
Dividends paid |  | $ 7,900 | $ 6,800 | $ 15,699 | $ 13,684 |  |  |  |  |  |
Quarterly dividends paid, per share of common stock (in dollars per share) |  | $ 0.2025 | $ 0.1775 | $ 0.405 | $ 0.355 |  |  |  |  |  |
Percent change in quarterly dividend | 5.20% |  |  |  |  |  |  |  |  |  |
Authorized shares to be repurchased |  |  |  |  |  |  |  | 1,250,000 |  |  |
Dividends, Preferred Stock, Cash |  |  |  |  |  |  |  |  |  | $ 0.2025 | $ 0.2130

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