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Information by Business Segments (Tables) | 12 Months Ended
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Dec. 31, 2020
Segment Reporting [Abstract] |
Schedule of Business Segments | The following table presents information for each of the Company’s business segments (dollars in thousands):
|  | Avista Utilities |  |  | Alaska Electric Light and Power Company |  |  | Total Utility |  |  | Other |  |  | Intersegment Eliminations (1) |  |  | Total |
For the year ended December 31, 2020: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 1,277,468 |  |  | $ | 42,809 |  |  | $ | 1,320,277 |  |  | $ | 1,614 |  |  | $ | — |  |  | $ | 1,321,891 |
Resource costs |  |  | 396,543 |  |  |  | 1,966 |  |  |  | 398,509 |  |  |  | — |  |  |  | — |  |  |  | 398,509 |
Other operating expenses |  |  | 341,709 |  |  |  | 12,905 |  |  |  | 354,614 |  |  |  | 5,344 |  |  |  | — |  |  |  | 359,958 |
Depreciation and amortization |  |  | 213,701 |  |  |  | 9,806 |  |  |  | 223,507 |  |  |  | 716 |  |  |  | — |  |  |  | 224,223 |
Income (loss) from operations |  |  | 220,058 |  |  |  | 17,088 |  |  |  | 237,146 |  |  |  | (4,446 | ) |  |  | — |  |  |  | 232,700 |
Interest expense (2) |  |  | 98,451 |  |  |  | 6,272 |  |  |  | 104,723 |  |  |  | 524 |  |  |  | (186 | ) |  |  | 105,061 |
Income taxes |  |  | 4,921 |  |  |  | 3,011 |  |  |  | 7,932 |  |  |  | (881 | ) |  |  | — |  |  |  | 7,051 |
Net income (loss) from continuing operations attributable to Avista Corp. shareholders |  |  | 124,810 |  |  |  | 8,095 |  |  |  | 132,905 |  |  |  | (3,417 | ) |  |  | — |  |  |  | 129,488 |
Capital expenditures (3) |  |  | 397,292 |  |  |  | 7,014 |  |  |  | 404,306 |  |  |  | 1,368 |  |  |  | — |  |  |  | 405,674 |
For the year ended December 31, 2019: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 1,295,873 |  |  | $ | 37,265 |  |  | $ | 1,333,138 |  |  | $ | 12,484 |  |  | $ | — |  |  | $ | 1,345,622 |
Resource costs |  |  | 442,471 |  |  |  | (2,654 | ) |  |  | 439,817 |  |  |  | — |  |  |  | — |  |  |  | 439,817 |
Other operating expenses (4) |  |  | 352,170 |  |  |  | 12,717 |  |  |  | 364,887 |  |  |  | 18,883 |  |  |  | — |  |  |  | 383,770 |
Depreciation and amortization |  |  | 195,697 |  |  |  | 9,668 |  |  |  | 205,365 |  |  |  | 629 |  |  |  | — |  |  |  | 205,994 |
Income (loss) from operations |  |  | 200,994 |  |  |  | 16,423 |  |  |  | 217,417 |  |  |  | (7,028 | ) |  |  | — |  |  |  | 210,389 |
Interest expense (2) |  |  | 97,866 |  |  |  | 6,385 |  |  |  | 104,251 |  |  |  | 1,032 |  |  |  | (929 | ) |  |  | 104,354 |
Income taxes |  |  | 28,363 |  |  |  | 2,816 |  |  |  | 31,179 |  |  |  | 195 |  |  |  | — |  |  |  | 31,374 |
Net income from continuing operations attributable to Avista Corp. shareholders |  |  | 183,977 |  |  |  | 7,458 |  |  |  | 191,435 |  |  |  | 5,544 |  |  |  | — |  |  |  | 196,979 |
Capital expenditures (3) |  |  | 434,077 |  |  |  | 8,433 |  |  |  | 442,510 |  |  |  | 835 |  |  |  | — |  |  |  | 443,345 |
For the year ended December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 1,325,966 |  |  | $ | 43,599 |  |  | $ | 1,369,565 |  |  | $ | 27,328 |  |  | $ | — |  |  | $ | 1,396,893 |
Resource costs |  |  | 485,231 |  |  |  | 9,505 |  |  |  | 494,736 |  |  |  | — |  |  |  | — |  |  |  | 494,736 |
Other operating expenses (4) |  |  | 309,501 |  |  |  | 12,491 |  |  |  | 321,992 |  |  |  | 28,081 |  |  |  | — |  |  |  | 350,073 |
Depreciation and amortization |  |  | 177,006 |  |  |  | 5,871 |  |  |  | 182,877 |  |  |  | 799 |  |  |  | — |  |  |  | 183,676 |
Income (loss) from operations |  |  | 248,000 |  |  |  | 14,665 |  |  |  | 262,665 |  |  |  | (1,552 | ) |  |  | — |  |  |  | 261,113 |
Interest expense (2) |  |  | 96,738 |  |  |  | 3,584 |  |  |  | 100,322 |  |  |  | 1,694 |  |  |  | (1,080 | ) |  |  | 100,936 |
Income taxes |  |  | 25,259 |  |  |  | 3,094 |  |  |  | 28,353 |  |  |  | (2,293 | ) |  |  | — |  |  |  | 26,060 |
Net income (loss) from continuing operations attributable to Avista Corp. shareholders |  |  | 134,874 |  |  |  | 8,292 |  |  |  | 143,166 |  |  |  | (6,737 | ) |  |  | — |  |  |  | 136,429 |
Capital expenditures (3) |  |  | 418,741 |  |  |  | 5,609 |  |  |  | 424,350 |  |  |  | 891 |  |  |  | — |  |  |  | 425,241 |
Total Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
As of December 31, 2020 |  | $ | 6,035,340 |  |  | $ | 268,971 |  |  | $ | 6,304,311 |  |  | $ | 109,658 |  |  | $ | (11,872 | ) |  | $ | 6,402,097 |
As of December 31, 2019 |  | $ | 5,713,268 |  |  | $ | 271,393 |  |  | $ | 5,984,661 |  |  | $ | 113,390 |  |  | $ | (15,595 | ) |  | $ | 6,082,456 |
As of December 31, 2018 |  | $ | 5,458,104 |  |  | $ | 272,950 |  |  | $ | 5,731,054 |  |  | $ | 87,050 |  |  | $ | (35,528 | ) |  | $ | 5,782,576 |
(1) | Intersegment eliminations reported as interest expense represent intercompany interest. Intersegment eliminations reported as assets represent intersegment accounts receivable.
(2) | Including interest expense to affiliated trusts.
(3) | The capital expenditures for the other businesses are included in other investing activities on the Consolidated Statements of Cash Flows.
(4) | Other operating expenses for Avista Utilities for 2019 and 2018 include merger transaction costs which are separately disclosed on the Consolidated Statements of Income.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 + Details
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