Fair Value of Assets and Liabilities - Additional Information (Details)	Sep. 30, 2020 USD ($)
Fair Value Disclosures [Abstract]
Loans held for sale	$ 0

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

No definition available.

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