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Revenue from Contract with Customers (Tables) | 6 Months Ended
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Jun. 30, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | For the three months ended June 30, 2019 and 2018, disaggregated revenues from contracts with customers by segment were as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(dollar in thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
Water: |  |  |  |  |  |  |
Tariff-based revenues | $ | 76,876 |  |  | $ | 70,251 |  |  | $ | 136,451 |  |  | $ | 136,026 |
Surcharges (cost-recovery activities) | 763 |  |  | 728 |  |  | 1,054 |  |  | 1,521 |
Other | 461 |  |  | 453 |  |  | 920 |  |  | 895 |
Water revenues from contracts with customers | 78,100 |  |  | 71,432 |  |  | 138,425 |  |  | 138,442 |
WRAM under-collection (alternative revenue program) | 10,040 |  |  | 5,301 |  |  | 14,438 |  |  | 2,703 |
Total water revenues | 88,140 |  |  | 76,733 |  |  | 152,863 |  |  | 141,145 |
Electric: |  |  |  |  |  |  |
Tariff-based revenues | 7,698 |  |  | 7,795 |  |  | 18,964 |  |  | 17,814 |
Surcharges (cost-recovery activities) | 43 |  |  | 63 |  |  | 97 |  |  | 110 |
Electric revenues from contracts with customers | 7,741 |  |  | 7,858 |  |  | 19,061 |  |  | 17,924 |
BRRAM over-collection (alternative revenue program) | (333 | ) |  | (17 | ) |  | (1,024 | ) |  | (251 | )
Total electric revenues | 7,408 |  |  | 7,841 |  |  | 18,037 |  |  | 17,673 |
Contracted services: |  |  |  |  |  |  |
Water | 14,620 |  |  | 14,233 |  |  | 27,975 |  |  | 27,233 |
Wastewater | 14,479 |  |  | 8,094 |  |  | 27,505 |  |  | 15,578 |
Contracted services revenues from contracts with customers | 29,099 |  |  | 22,327 |  |  | 55,480 |  |  | 42,811 |
Total revenues | $ | 124,647 |  |  | $ | 106,901 |  |  | $ | 226,380 |  |  | $ | 201,629 |
Contract with Customer, Asset and Liability | The opening and closing balances of the receivable from the U.S. government, contract assets and contract liabilities from contracts with customers, which related entirely to ASUS, were as follows:
(dollar in thousands) |  | June 30, 2019 |  | January 1, 2019
Receivable from the U.S. government |  | $ | 59,859 |  |  | $ | 61,126 |
Contract assets |  | $ | 31,557 |  |  | $ | 24,447 |
Contract liabilities |  | $ | 11,564 |  |  | $ | 7,530 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109196051&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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