|
Consolidated Statements of Cash Flows (Parenthetical) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Advances and contributions for construction, refunds | $ 23,351 | $ 17,850 | $ 21,061 |
| Income taxes, refunds | $ 127 | $ 766 | $ 812 |