Income Taxes, Valuation Allowance (Details) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
Deferred Tax Assets Operating Loss Carryforwards Utilized or Expired [Member]
Valuation Allowance [Line Items]
Changes in valuation allowances for deferred tax assets	$ 6.0
Deferred Tax Assets Operating Loss Carryforwards Established or Continued [Member]
Valuation Allowance [Line Items]
Changes in valuation allowances for deferred tax assets	$ 66.7

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration