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Revenue from Contract with Customer (Tables) | 3 Months Ended
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Mar. 31, 2018
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | For the three months ended March 31, 2018, disaggregated revenues from contracts with customers by segment are as follows:
(dollar in thousands) |  | Three Months Ended March 31, 2018
Water: |  |
Tariff-based revenues |  | $ | 65,775 |
Surcharges (cost-recovery activities) |  | 793 |
Other |  | 442 |
Water revenues from contracts with customers |  | 67,010 |
WRAM over-collection (alternative revenue program) |  | (2,598 | )
Total water revenues |  | 64,412 |
Electric: |  |
Tariff-based revenues |  | 10,019 |
Surcharges (cost-recovery activities) |  | 47 |
Electric revenues from contracts with customers |  | 10,066 |
BRRAM over-collection (alternative revenue program) |  | (234 | )
Total electric revenues |  | 9,832 |
Contracted services: |  |
Water |  | 13,000 |
Wastewater |  | 7,484 |
Contracted services revenues from contracts with customers |  | 20,484 |
Total revenues |  | $ | 94,728 |
Contract with Customer, Asset and Liability | The opening and closing balances of receivable from the U.S. government, contract assets and contract liabilities from contracts with customers, which related entirely to ASUS, are as follows:
(dollar in thousands) |  | March 31, 2018 |  | January 1, 2018
Receivable from the U.S. government |  | $ | 48,383 |  |  | $ | 40,150 |
Contract assets |  | $ | 22,565 |  |  | $ | 30,388 |
Contract liabilities |  | $ | 6,583 |  |  | $ | 3,911 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
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