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Loans, net and allowance for credit losses - Amortized cost and performance status of nonaccrual modified loans (Details) - Nonaccrual Modified Loans $ in Thousands	Sep. 30, 2025 USD ($)
Financing Receivable, Past Due [Line Items]
Financing receivable	$ 242
Commercial and Industrial
Financing Receivable, Past Due [Line Items]
Financing receivable	242
90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	242
90 Days or More Past Due | Commercial and Industrial
Financing Receivable, Past Due [Line Items]
Financing receivable	$ 242

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

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