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Debt and Credit Arrangements - Senior Secured Revolving Credit Facility (Details) - USD ($) | Oct. 18, 2021 | Jun. 30, 2022 | Dec. 31, 2021
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Revolving Credit Facility |  |  |
Debt Instrument |  |  |
Potential increase to applicable margin (percent) | 0.05% |  |
Potential decrease to applicable margin (percent) | 0.025% |  |
Potential increase to sustainability fee (percent) | 0.01% |  |
Potential decrease to sustainability fee (percent) | 0.01% |  |
Debt issuance costs |  | $ 9,100,000 |
Revolving Credit Facility | Base Rate | Minimum |  |  |
Debt Instrument |  |  |
Debt instrument variable interest rate (percent) | 0.25% |  |
Revolving Credit Facility | Base Rate | Maximum |  |  |
Debt Instrument |  |  |
Debt instrument variable interest rate (percent) | 1.25% |  |
Revolving Credit Facility | LIBOR | Minimum |  |  |
Debt Instrument |  |  |
Debt instrument variable interest rate (percent) | 1.25% |  |
Commitment fee (percent) | 0.20% |  |
Revolving Credit Facility | LIBOR | Maximum |  |  |
Debt Instrument |  |  |
Debt instrument variable interest rate (percent) | 2.25% |  |
Commitment fee (percent) | 0.35% |  |
Revolving Credit Facility | Credit Facilities 2024 |  |  |
Debt Instrument |  |  |
Maximum percentage of capital stock guaranteed by company |  | 65.00% |
Revolving Credit Facility | Senior secured revolving credit facility |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | $ 1,000,000,000 |  |
Unamortized debt issuance costs |  | $ 7,800,000 | $ 8,700,000
Revolving Credit Facility | Senior secured revolving credit facility | Scenario, Adjustment |  |  |
Debt Instrument |  |  |
Unamortized debt issuance costs |  | $ 6,100,000 |
Revolving Credit Facility | Senior secured revolving credit facility due October 2026 |  |  |
Debt Instrument |  |  |
Potential periodic increase to maximum borrowing amount | 500,000,000.0 |  |
Potential increase to maximum borrowing amount | 25,000,000.0 |  |
Revolving Credit Facility Sub-limit - Letters of Credit | Senior secured revolving credit facility due October 2026 |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | 100,000,000.0 |  |
Revolving Credit Facility Sub-limit - Discretionary Letters of Credit | Senior secured revolving credit facility due October 2026 |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | 250,000,000.0 |  |
Revolving Credit Facility Sub-limit - Swingline | Senior secured revolving credit facility due October 2026 |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | $ 100,000,000.0 |  |

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