Fair Value Measurements - Summary of Significant Unobservable Inputs (Level 3) Used the Valuation of Assets Measured at Fair Value on a Nonrecurring Basis (Details) - Level 3 - Fair Value, Nonrecurring [Member]	Sep. 30, 2025
Collateral Dependent Loans | Discount Range | Minimum | Valuation Method, Appraisal Value, as Adjusted
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0
Collateral Dependent Loans | Discount Range | Minimum | Valuation Method, Inventory
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0
Collateral Dependent Loans | Discount Range | Minimum | Valuation Method, Accounts Receivables
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0
Collateral Dependent Loans | Discount Range | Minimum | Valuation Method, Equipment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0
Collateral Dependent Loans | Discount Range | Maximum | Valuation Method, Appraisal Value, as Adjusted
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.50
Collateral Dependent Loans | Discount Range | Maximum | Valuation Method, Inventory
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	1
Collateral Dependent Loans | Discount Range | Maximum | Valuation Method, Accounts Receivables
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	1
Collateral Dependent Loans | Discount Range | Maximum | Valuation Method, Equipment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	1
Collateral Dependent Loans | Typical Discount | Minimum | Valuation Method, Appraisal Value, as Adjusted
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.10
Collateral Dependent Loans | Typical Discount | Minimum | Valuation Method, Equipment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.20
Collateral Dependent Loans | Typical Discount | Maximum | Valuation Method, Appraisal Value, as Adjusted
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.30
Collateral Dependent Loans | Typical Discount | Maximum | Valuation Method, Equipment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.50
Other Real Estate Owned | Typical Discount | Minimum | Valuation Method, Appraisal Value, as Adjusted
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.08
Other Real Estate Owned | Typical Discount | Maximum | Valuation Method, Appraisal Value, as Adjusted
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Discount rate	0.10