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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	Mar. 31, 2025 USD ($)
Financing Receivable, Past Due [Line Items]
Financing receivable	$ 245
Commercial and Industrial
Financing Receivable, Past Due [Line Items]
Financing receivable	245
30-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	245
30-89 Days Past Due | Commercial and Industrial
Financing Receivable, Past Due [Line Items]
Financing receivable	$ 245

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

+ Details

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Balance Type:	debit
Period Type:	instant

X

- 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/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-80

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- Details

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- Details

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