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Information By Business Segments (Tables) | 6 Months Ended
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Jun. 30, 2017
Segment Reporting [Abstract] |
Information by 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 three months ended June 30, 2017: |  |  |  |  |  |  |  |  |  |
Operating revenues | $ | 296,747 |  |  | $ | 11,982 |  |  | $ | 308,729 |  |  | $ | 5,772 |  |  | $ | — |  |  | $ | 314,501 |
Resource costs | 99,461 |  |  | 3,290 |  |  | 102,751 |  |  | — |  |  | — |  |  | 102,751 |
Other operating expenses | 78,970 |  |  | 2,995 |  |  | 81,965 |  |  | 7,086 |  |  | — |  |  | 89,051 |
Depreciation and amortization | 41,195 |  |  | 1,448 |  |  | 42,643 |  |  | 157 |  |  | — |  |  | 42,800 |
Income (loss) from operations | 53,971 |  |  | 3,597 |  |  | 57,568 |  |  | (1,471 | ) |  | — |  |  | 56,097 |
Interest expense (2) | 22,826 |  |  | 895 |  |  | 23,721 |  |  | 176 |  |  | (27 | ) |  | 23,870 |
Income taxes | 12,892 |  |  | 1,075 |  |  | 13,967 |  |  | (916 | ) |  | — |  |  | 13,051 |
Net income (loss) attributable to Avista Corp. shareholders | 21,765 |  |  | 1,681 |  |  | 23,446 |  |  | (1,675 | ) |  | — |  |  | 21,771 |
Capital expenditures (3) | 88,612 |  |  | 2,339 |  |  | 90,951 |  |  | 134 |  |  | — |  |  | 91,085 |
| Avista Utilities |  | Alaska Electric Light and Power Company |  | Total Utility |  | Other |  | Intersegment Eliminations (1) |  | Total
For the three months ended June 30, 2016: |  |  |  |  |  |  |  |  |  |
Operating revenues | $ | 302,641 |  |  | $ | 10,247 |  |  | $ | 312,888 |  |  | $ | 5,950 |  |  | $ | — |  |  | $ | 318,838 |
Resource costs | 106,607 |  |  | 3,208 |  |  | 109,815 |  |  | — |  |  | — |  |  | 109,815 |
Other operating expenses | 75,790 |  |  | 2,876 |  |  | 78,666 |  |  | 6,281 |  |  | — |  |  | 84,947 |
Depreciation and amortization | 38,351 |  |  | 1,327 |  |  | 39,678 |  |  | 192 |  |  | — |  |  | 39,870 |
Income (loss) from operations | 59,862 |  |  | 2,252 |  |  | 62,114 |  |  | (523 | ) |  | — |  |  | 61,591 |
Interest expense (2) | 20,462 |  |  | 895 |  |  | 21,357 |  |  | 149 |  |  | (34 | ) |  | 21,472 |
Income taxes | 16,349 |  |  | 676 |  |  | 17,025 |  |  | (315 | ) |  | — |  |  | 16,710 |
Net income (loss) attributable to Avista Corp. shareholders | 26,771 |  |  | 1,058 |  |  | 27,829 |  |  | (575 | ) |  | — |  |  | 27,254 |
Capital expenditures (3) | 88,048 |  |  | 5,889 |  |  | 93,937 |  |  | 46 |  |  | — |  |  | 93,983 |
For the six months ended June 30, 2017: |  |  |  |  |  |  |  |  |  |
Operating revenues | $ | 712,128 |  |  | $ | 27,138 |  |  | $ | 739,266 |  |  | $ | 11,705 |  |  | $ | — |  |  | $ | 750,971 |
Resource costs | 262,074 |  |  | 6,263 |  |  | 268,337 |  |  | — |  |  | — |  |  | 268,337 |
Other operating expenses | 150,682 |  |  | 5,767 |  |  | 156,449 |  |  | 13,265 |  |  | — |  |  | 169,714 |
Depreciation and amortization | 81,733 |  |  | 2,895 |  |  | 84,628 |  |  | 345 |  |  | — |  |  | 84,973 |
Income (loss) from operations | 162,606 |  |  | 10,782 |  |  | 173,388 |  |  | (1,905 | ) |  | — |  |  | 171,483 |
Interest expense (2) | 45,509 |  |  | 1,789 |  |  | 47,298 |  |  | 343 |  |  | (41 | ) |  | 47,600 |
Income taxes | 43,909 |  |  | 3,538 |  |  | 47,447 |  |  | (1,052 | ) |  | — |  |  | 46,395 |
Net income (loss) attributable to Avista Corp. shareholders | 80,204 |  |  | 5,534 |  |  | 85,738 |  |  | (1,851 | ) |  | — |  |  | 83,887 |
Capital expenditures (3) | 174,015 |  |  | 3,699 |  |  | 177,714 |  |  | 169 |  |  | — |  |  | 177,883 |
For the six months ended June 30, 2016: |  |  |  |  |  |  |  |  |  |
Operating revenues | $ | 702,788 |  |  | $ | 22,893 |  |  | $ | 725,681 |  |  | $ | 11,330 |  |  | $ | — |  |  | $ | 737,011 |
Resource costs | 265,685 |  |  | 5,849 |  |  | 271,534 |  |  | — |  |  | — |  |  | 271,534 |
Other operating expenses | 149,046 |  |  | 5,399 |  |  | 154,445 |  |  | 12,106 |  |  | — |  |  | 166,551 |
Depreciation and amortization | 76,217 |  |  | 2,653 |  |  | 78,870 |  |  | 380 |  |  | — |  |  | 79,250 |
Income (loss) from operations | 161,107 |  |  | 7,725 |  |  | 168,832 |  |  | (1,156 | ) |  | — |  |  | 167,676 |
Interest expense (2) | 40,880 |  |  | 1,790 |  |  | 42,670 |  |  | 310 |  |  | (97 | ) |  | 42,883 |
Income taxes | 45,021 |  |  | 2,571 |  |  | 47,592 |  |  | (537 | ) |  | — |  |  | 47,055 |
Net income (loss) attributable to Avista Corp. shareholders | 81,758 |  |  | 4,019 |  |  | 85,777 |  |  | (874 | ) |  | — |  |  | 84,903 |
Capital expenditures (3) | 172,483 |  |  | 10,332 |  |  | 182,815 |  |  | 165 |  |  | — |  |  | 182,980 |
Total Assets: |  |  |  |  |  |  |  |  |  |  |
As of June 30, 2017: | $ | 5,034,778 |  |  | $ | 278,470 |  |  | $ | 5,313,248 |  |  | $ | 59,756 |  |  | $ | — |  |  | $ | 5,373,004 |
As of December 31, 2016: | $ | 4,975,555 |  |  | $ | 273,770 |  |  | $ | 5,249,325 |  |  | $ | 60,430 |  |  | $ | — |  |  | $ | 5,309,755 |
(1) | Intersegment eliminations reported as interest expense represent intercompany interest.
(2) | Including interest expense to affiliated trusts.
(3) | The capital expenditures for the other businesses are included in other investing activities on the Condensed Consolidated Statements of Cash Flows.

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
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