Fair Value Measurements and Derivative Instruments (Credit Features) (Details) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($) derivative
Derivative instruments disclosure
Collateral	$ 91.0
Interest contracts
Derivative instruments disclosure
Number of derivatives requiring collateral to be posted \| derivative	6
Term of contract (at least)	5 years
Collateral	$ 44.4

Amount of assets pledged to secure a debt instrument.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

Name:	us-gaap_DebtInstrumentCollateralAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant