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Derivative Financial Instruments - Counterparty Credit Risk and Credit-Risk Related Contingent Features (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Derivative contracts |  |  |  |  |
Counterparty credit risk adjustments | $ 0.0 | $ 0.1 | $ 0.2 | $ 0.2 |
Credit-risk-related contingent features |  |  |  |  |
Aggregate fair value of derivative instruments in a net liability position | 23.8 |  | 23.8 |  | $ 19.8
Collateral posted for derivatives in a net liability position | 23.2 |  | 23.2 |  | $ 20.4
Interest rate swaps |  |  |  |  |
Derivative contracts |  |  |  |  |
Collateral thresholds for derivative agreements with credit risk related contingent features | $ 0.3 |  | $ 0.3 |  |

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- Definition Represents the collateral threshold for derivative instruments with credit-risk-related contingent features. + References No definition available. + Details
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- Definition Amount of net credit risk valuation adjustment during the period to derivative assets and derivative liabilities to properly reflect the credit quality of the counterparties. + References No definition available. + Details
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- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624258-113959 + Details
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- References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624258-113959 + Details
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- Details
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