XML 48 R58.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Selected Quarterly Financial Data (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Selected Quarterly Financial Information [Abstract] |
Summary of Quarterly Operations | A summary of quarterly operations (in thousands, except per share amounts) for 2019 and 2018 follows:
| Three Months Ended
| March 31 |  | June 30 |  | September 30 |  | December 31
2019 |  |  |  |  |  |  |
Operating revenues | $ | 396,481 |  |  | $ | 300,812 |  |  | $ | 283,770 |  |  | $ | 364,559 |
Operating expenses | 329,410 |  |  | 261,044 |  |  | 253,527 |  |  | 291,252 |
Income from operations | $ | 67,071 |  |  | $ | 39,768 |  |  | $ | 30,243 |  |  | $ | 73,307 |
Net income | 115,881 |  |  | 25,016 |  |  | 5,090 |  |  | 50,776 |
Less: Net income (loss) attributable to noncontrolling interests | (87 | ) |  | 303 |  |  | — |  |  | — |
Net income attributable to Avista Corporation | $ | 115,794 |  |  | $ | 25,319 |  |  | $ | 5,090 |  |  | $ | 50,776 |
Outstanding common stock: |  |  |  |  |  |  |
Weighted average, basic | 65,733 |  |  | 65,894 |  |  | 66,265 |  |  | 66,929 |
Weighted average, diluted | 65,941 |  |  | 65,963 |  |  | 66,351 |  |  | 67,059 |
Earnings per common share attributable to Avista Corp. shareholders, diluted | $ | 1.76 |  |  | $ | 0.38 |  |  | $ | 0.08 |  |  | $ | 0.76 |
| Three Months Ended
| March 31 |  | June 30 |  | September 30 |  | December 31
2018 |  |  |  |  |  |  |
Operating revenues | $ | 409,361 |  |  | $ | 319,298 |  |  | $ | 296,013 |  |  | $ | 372,221 |
Operating expenses | 315,155 |  |  | 266,019 |  |  | 259,569 |  |  | 295,037 |
Income from operations | $ | 94,206 |  |  | $ | 53,279 |  |  | $ | 36,444 |  |  | $ | 77,184 |
Net income | 54,956 |  |  | 25,644 |  |  | 10,129 |  |  | 45,869 |
Less: Net loss attributable to noncontrolling interests | (66 | ) |  | (67 | ) |  | (10 | ) |  | (26 | )
Net income attributable to Avista Corporation | $ | 54,890 |  |  | $ | 25,577 |  |  | $ | 10,119 |  |  | $ | 45,843 |
Outstanding common stock: |  |  |  |  |  |  |
Weighted average, basic | 65,639 |  |  | 65,677 |  |  | 65,688 |  |  | 65,688 |
Weighted average, diluted | 65,931 |  |  | 65,983 |  |  | 66,026 |  |  | 65,846 |
Earnings per common share attributable to Avista Corp. shareholders, diluted | $ | 0.83 |  |  | $ | 0.39 |  |  | $ | 0.15 |  |  | $ | 0.70 |

X
- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306 + Details
Name: | us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SelectedQuarterlyFinancialInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration