Allowance for Credit Losses - Schedule of Master Risk Categories and Associated Loan Risk Ratings (Details)	Sep. 30, 2023
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loan Risk Rating	3
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loan Risk Rating	2
Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loan Risk Rating	1
Minimum | Nonclassified
Financing Receivable, Credit Quality Indicator [Line Items]
Loan Risk Rating	4
Minimum | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loan Risk Rating	1
Maximum | Nonclassified
Financing Receivable, Credit Quality Indicator [Line Items]
Loan Risk Rating	10
Maximum | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loan Risk Rating	3