Securities Sold Under Repurchase Agreement - Additional Information (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
Securities sold under repurchase agreements, secured by securities carrying amount	$ 94.2	$ 252.4

Amount, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of fund outstanding borrowed in form of security repurchase agreement for sale and repurchase of identical or substantially same security at date certain for specified price. Includes security sold under agreement to repurchase not subject to master netting arrangement or similar agreement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226016-175313

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