Regulatory Capital Requirements - Additional Information (Details) $ in Billions	Sep. 30, 2023 USD ($)	Dec. 31, 2022
Regulatory Capital Requirements Under Banking Regulations [Line Items]
Loans or advances from bank limited to percentage of the banks capital stock and surplus and must be secured by collateral	10.00%
Percentage of required capital conservation buffer	0.025
Community bank leverage ratio	0.1071	0.1093
Community Bank Leverage Ratio Requirement [Member]
Regulatory Capital Requirements Under Banking Regulations [Line Items]
Financial institutions minimum amount of assets need to maintain	$ 10
The Economic Growth, Regulatory Relief and Consumer Protection Act of 2018 [Member]
Regulatory Capital Requirements Under Banking Regulations [Line Items]
Financial institutions minimum amount of assets need to maintain	$ 10
Community bank leverage ratio	0.09