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Segmented information (Tables) | 12 Months Ended
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Dec. 31, 2018
Segment Reporting [Abstract] |
Results of Operations and Assets for Segments |
| Year ended December 31, 2018
| Liberty Utilities Group |  | Liberty Power Group |  | Corporate |  | Total
Revenue (1)(2) | $ | 1,400,164 |  |  | $ | 247,223 |  |  | $ | — |  |  | $ | 1,647,387 |
Fuel, power and water purchased | 456,974 |  |  | 27,164 |  |  | — |  |  | 484,138 |
Net revenue | 943,190 |  |  | 220,059 |  |  | — |  |  | 1,163,249 |
Operating expenses | 401,486 |  |  | 70,980 |  |  | — |  |  | 472,466 |
Administrative expenses | 33,234 |  |  | 18,539 |  |  | 937 |  |  | 52,710 |
Depreciation and amortization | 177,719 |  |  | 82,044 |  |  | 1,009 |  |  | 260,772 |
Gain on foreign exchange | — |  |  | — |  |  | (58 | ) |  | (58 | )
Operating income | 330,751 |  |  | 48,496 |  |  | (1,888 | ) |  | 377,359 |
Interest expense | 99,063 |  |  | 50,920 |  |  | 2,135 |  |  | 152,118 |
Interest, dividend, equity and other income | (5,558 | ) |  | (45,741 | ) |  | (1,840 | ) |  | (53,139 | )
Change in value of investment carried at fair value | — |  |  | — |  |  | 137,957 |  |  | 137,957 |
Other expenses | 5,699 |  |  | 1,576 |  |  | 687 |  |  | 7,962 |
Earnings (loss) before income taxes | $ | 231,547 |  |  | $ | 41,741 |  |  | $ | (140,827 | ) |  | $ | 132,461 |
Property, plant and equipment | $ | 4,210,115 |  |  | $ | 2,152,420 |  |  | $ | 31,023 |  |  | $ | 6,393,558 |
Investment carried at fair value | — |  |  | 814,530 |  |  | — |  |  | 814,530 |
Equity-method investees | 959 |  |  | 29,273 |  |  | 260 |  |  | 30,492 |
Total assets | 6,012,641 |  |  | 3,269,786 |  |  | 106,541 |  |  | 9,388,968 |
Capital expenditures | 370,221 |  |  | 96,148 |  |  | — |  |  | 466,369 |
(1) Revenue includes $14,953 related to net hedging gains from energy derivative contracts for the twelve months ended December 31, 2018 that do not represent revenue recognized from contracts with customers. (2) Liberty Utilities Group revenue includes $7,425 related to alternative revenue programs for the twelve months ended December 31, 2018 that do not represent revenue recognized from contracts with customers.
20. | Segmented information (continued)
| Year ended December 31, 2017
| Liberty Utilities Group |  | Liberty Power Group |  | Corporate |  | Total
Revenue | $ | 1,290,786 |  |  | $ | 231,152 |  |  | $ | — |  |  | $ | 1,521,938 |
Fuel and power purchased | 373,635 |  |  | 19,590 |  |  | — |  |  | 393,225 |
Net revenue | 917,151 |  |  | 211,562 |  |  | — |  |  | 1,128,713 |
Operating expenses | 383,380 |  |  | 66,851 |  |  | — |  |  | 450,231 |
Administrative expenses | 33,037 |  |  | 15,992 |  |  | 611 |  |  | 49,640 |
Depreciation and amortization | 171,111 |  |  | 79,183 |  |  | 1,020 |  |  | 251,314 |
Gain on foreign exchange | — |  |  | — |  |  | 323 |  |  | 323 |
Operating income (loss) | 329,623 |  |  | 49,536 |  |  | (1,954 | ) |  | 377,205 |
Interest expense | 97,698 |  |  | 36,646 |  |  | 21,478 |  |  | 155,822 |
Interest, dividend and other income | (4,208 | ) |  | (2,871 | ) |  | (2,159 | ) |  | (9,238 | )
Other expense | 6,087 |  |  | 1,713 |  |  | 47,689 |  |  | 55,489 |
Earnings (loss) before income taxes | $ | 230,046 |  |  | $ | 14,048 |  |  | $ | (68,962 | ) |  | $ | 175,132 |
Property, plant and equipment | $ | 4,023,479 |  |  | $ | 2,246,869 |  |  | $ | 34,549 |  |  | $ | 6,304,897 |
Equity-method investees | 2,220 |  |  | 29,710 |  |  | 337 |  |  | 32,267 |
Total assets | 5,817,599 |  |  | 2,474,293 |  |  | 103,675 |  |  | 8,395,567 |
Capital expenditures | 407,408 |  |  | 157,695 |  |  | — |  |  | 565,103 |
Information on Operations by Geographic Area | Information on operations by geographic area is as follows:
| 2018 |  | 2017
Revenue |  |  |
Canada | $ | 70,358 |  |  | $ | 73,406 |
United States | 1,577,029 |  |  | 1,448,532 |
| $ | 1,647,387 |  |  | $ | 1,521,938 |
Property, plant and equipment |  |  |
Canada | $ | 415,979 |  |  | $ | 453,323 |
United States | 5,977,579 |  |  | 5,851,574 |
| $ | 6,393,558 |  |  | $ | 6,304,897 |
Intangible assets |  |  |
Canada | $ | 23,994 |  |  | $ | 27,624 |
United States | 31,000 |  |  | 23,479 |
| $ | 54,994 |  |  | $ | 51,103 |

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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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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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