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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
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Debt Instrument [Line Items] |  |
Total interest expense | $ 11.5 | $ 11.9
Senior Notes and Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Interest expense on finance lease liabilities | 0.2 | 0.1
Interest expense capitalized as construction in progress | (1.7) | (1.4)
Total interest expense | 11.5 | 11.9
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Revolving Credit Facility interest expense, including commitment fees and finance cost amortization | 0.6 | 0.8
Senior Notes |  |
Debt Instrument [Line Items] |  |
Senior Notes interest expense, including debt issuance cost amortization | $ 12.4 | $ 12.4

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