XML 43 R24.htm IDEA: XBRL DOCUMENT
v3.21.2

Other net losses | 6 Months Ended
--- | ---
Jun. 30, 2021
Other Income and Expenses [Abstract] |
Other net losses | Other net losses Other net losses consist of the following:
| Three months ended June 30 |  | Six months ended June 30
| 2021 |  | 2020 |  | 2021 |  | 2020
Acquisition and transition-related costs | $ | 882 |  |  | $ | 3,116 |  |  | $ | 2,984 |  |  | $ | 3,142 |
Tax reform | — |  |  | 11,728 |  |  | — |  |  | 11,728 |
Management succession and executive retirement | — |  |  | 6,952 |  |  | — |  |  | 6,952 |
Other | 931 |  |  | 5,144 |  |  | 7,213 |  |  | 6,008 |
| $ | 1,813 |  |  | $ | 26,940 |  |  | $ | 10,197 |  |  | $ | 27,830 |
Other losses primarily consist of an adjustment to a regulatory liability pertaining to the true-up of prior period tracking accounts, costs pertaining to condemnation proceeding and other miscellaneous asset write-downs.

X
- Definition Other Nonoperating Expense [Text Block] + References No definition available. + Details
Name: | aqunf_OtherNonoperatingExpenseTextBlock
Namespace Prefix: | aqunf_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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