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Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
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Interest rate swaps and cross currency swaps agreement |  |
Derivative [Line Items] |  |
Fair value of derivative asset | $ 6.2 | $ 4.5
Derivative Liability, Fair Value, Gross Liability | 57.6 | 73.7
Derivative |  |
Derivative [Line Items] |  |
Deposit as security for swap liabilities | $ 0.0 | $ 3.8

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