Shareholders' Equity, Payout Restrictions Based on Capital Conservation Buffer (Details) $ in Millions	Jun. 30, 2021 USD ($)
Shareholders' Equity [Abstract]
Retained earnings available for dividend declaration	$ 26.4

Amount of dividends that can be declared or paid without approval of regulatory agency.

No definition available.

Name:	us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant