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Debt - Interest Rate Swaps (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 USD ($) derivative_instrument outstanding_contract | Dec. 31, 2020 USD ($) outstanding_contract
Derivative [Line Items] |  |
Number of contracts | outstanding_contract | 30 | 167
Interest rate swap contracts total notional value | $ 1,622,893 | $ 1,830,063
Interest rate swaps |  |
Derivative [Line Items] |  |
Number of contracts | derivative_instrument | 4 |
Interest rate swap contracts total notional value | $ 1,400,000 |
Term of contract | 30 days |
Loss on release of interest rate swap recognized in AOCI | $ 89,700 |
Net negative fair value (liability) | (80,000) | (109,200)
Interest rate swaps | Accumulated Other Comprehensive Loss, Net |  |
Derivative [Line Items] |  |
Net negative fair value (liability) | $ (67,400) | $ (78,100)
Interest rate swaps | Minimum |  |
Derivative [Line Items] |  |
Fixed interest rate | 2.13% |
Interest rate swaps | Maximum |  |
Derivative [Line Items] |  |
Fixed interest rate | 3.04% |

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