Loans, net and allowance for credit losses -Modifications to Borrowers Experiencing Financial Difficulty (Details) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025 USD ($) loan
Payment Deferral \| Modified Loans
Financing Receivable, Modified [Line Items]
Number of Loans \| loan		1
Amortized Cost Basis \| $		$ 245
Payment Deferral \| Nonaccrual Modified Loans
Financing Receivable, Modified [Line Items]
Number of Loans \| loan		1
Amortized Cost Basis \| $		$ 245
Commercial and Industrial \| Payment Deferral \| Modified Loans
Financing Receivable, Modified [Line Items]
Number of Loans \| loan		1
Amortized Cost Basis \| $		$ 245
Total Class of Financing Receivable	0.00%	0.04%
Commercial and Industrial \| Interest only for a fixed time period \| Nonaccrual Modified Loans
Financing Receivable, Modified [Line Items]
Number of Loans \| loan		1
Amortized Cost Basis \| $		$ 245

Number of financing receivables, excluding accrued interest that have been modified by troubled debt restructurings.

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- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Name Accounting Standards Codification
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- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
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