Fair Value Disclosures - Quantitative information about Level 3 fair value measurements for assets - Recurring basis (Details) - Recurring - Weighted Average - Costs to Sell	Mar. 31, 2022
Principal and interest payments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other investments	0
Carrying value.
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other investments	1

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.

No definition available.

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration