|
Regulatory Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
$ 401,089 |
$ 390,331 |
| Regulatory liabilities |
35,102 |
36,447 |
| Short-term portion of the regulatory assets |
50,016 |
53,199 |
| Short-term portion of the regulatory liabilities |
5,580 |
6,126 |
| Future tax benefits due ratepayers |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory liabilities |
26,114 |
26,114 |
| Conservation program |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory liabilities |
3,406 |
2,669 |
| Pension balancing account |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory liabilities |
3,170 |
4,291 |
| Other regulatory liabilities |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory liabilities |
2,412 |
3,373 |
| Pension and retiree group health |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
244,843 |
245,008 |
| Future tax benefits due ratepayers |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
72,350 |
72,350 |
| Other accrued benefits |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
32,684 |
32,959 |
| Net WRAM and MCBA long-term accounts receivable |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
19,413 |
14,449 |
| Asset retirement obligations, net |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
14,169 |
13,863 |
| Interim rates long-term accounts receivable |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
8,996 |
10,627 |
| Tank coating |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
5,097 |
|
| Health care balancing account |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
1,875 |
1,075 |
| Other regulatory assets |
|
|
| Regulatory Assets and Liabilities |
|
|
| Regulatory assets |
$ 1,662 |
|