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Contingencies (Narrative) (Details) $ in Millions | Mar. 31, 2021 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
Maximum Contingent Contributions To Joint Venture | $ 1,250.0
Letters of credit outstanding, amount | 116.6
Deposit Liabilities, Collateral Issued, Financial Instruments | $ 12.7

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- Definition Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818 + Details
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