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Debt and Credit Facility - Summary of Interest Expense Relating to Senior Notes and Revolving Credit Facility (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Debt Instrument [Line Items] |  |
Total interest expense | $ 11.9 | $ 12.2
Senior Notes and Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Interest expense capitalized as construction in progress | (1.4) | (0.6)
Total interest expense | 11.9 | 12.2
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Revolving Credit Facility, including commitment fees and finance cost amortization | 0.9 | 0.4
Senior Notes |  |
Debt Instrument [Line Items] |  |
Senior Notes. including debt issuance cost amortization | $ 12.4 | $ 12.4

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