XML 62 R44.htm IDEA: XBRL DOCUMENT
v3.19.2

Non-cash operating items (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
Disclosure Changes In Non Cash Operating Items [Abstract] |
Changes in Non-Cash Operating Items | The changes in non-cash operating items consist of the following:
| Three Months Ended June 30 |  | Six Months Ended June 30
| 2019 |  | 2018 |  | 2019 |  | 2018
Accounts receivable | $ | 40,396 |  |  | $ | 45,821 |  |  | $ | 11,721 |  |  | $ | 29,784 |
Fuel and natural gas in storage | (9,420 | ) |  | (6,885 | ) |  | 10,061 |  |  | 9,335 |
Supplies and consumable inventory | (2,944 | ) |  | (3,397 | ) |  | (4,921 | ) |  | (5,344 | )
Income taxes recoverable | 7,623 |  |  | (2,066 | ) |  | 6,801 |  |  | (2,074 | )
Prepaid expenses | 1,138 |  |  | 7,287 |  |  | (5,468 | ) |  | 4,034 |
Accounts payable | 18,429 |  |  | (10,457 | ) |  | (10,108 | ) |  | (50,512 | )
Accrued liabilities | (45,581 | ) |  | (13,833 | ) |  | (55,711 | ) |  | (29,316 | )
Current income tax liability | (5,657 | ) |  | 2,099 |  |  | 694 |  |  | 2,789 |
Asset retirements and environmental obligations | (322 | ) |  | (5,230 | ) |  | (1,422 | ) |  | (5,726 | )
Net regulatory assets and liabilities | 2,007 |  |  | 9,638 |  |  | 8,124 |  |  | 7,039 |
| $ | 5,669 |  |  | $ | 22,977 |  |  | $ | (40,229 | ) |  | $ | (39,991 | )

X
- Definition Disclosure - Changes in Non-Cash Operating Items [Abstract] + References No definition available. + Details
Name: | aqunf_DisclosureChangesInNonCashOperatingItemsAbstract
Namespace Prefix: | aqunf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of noncash investing and financing activities, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
Name: | us-gaap_ScheduleOfOtherSignificantNoncashTransactionsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration