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v3.22.4

Subsequent Events (Details) - Medium-term Notes - CIBC Agreement - USD ($) $ in Millions |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 20, 2020 | Feb. 28, 2023 | Dec. 31, 2022 | Dec. 31, 2020
Subsequent Event [Line Items] |  |  |  |
Cash and cash equivalents trigger for revenue requirement (less than) | $ 100.0 |  | $ 20.0 | $ 50.0
Minimum percentage of revenue requirement, trailing period of revenue | 3 months |  |  |
Minimum percentage of revenue requirement | 80.00% |  |  |
Unrestricted cash requirement period | 4 months |  |  |
Prime Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Basis spread on variable rate | 1.00% |  |  |
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Proceeds from issuance of debt |  | $ 20.0 |  |
Cash and cash equivalents trigger for revenue requirement (less than) |  | $ 100.0 |  |
Minimum percentage of revenue requirement, trailing period of revenue |  | 3 months |  |
Minimum percentage of revenue requirement |  | 80.00% |  |
Accordion feature on face amount of debt |  | $ 20.0 |  |
Unrestricted cash requirement period |  | 6 months |  |
Subsequent Event | Prime Rate |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Basis spread on variable rate |  | 1.00% |  |

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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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