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Loans and Allowance for Credit Losses - Performance of Loans Modified (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	$ 174	$ 0
60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	0	0
90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	0	0
Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	174	0
Commercial Real Estate | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	174	0
Commercial Real Estate | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	0	0
Commercial Real Estate | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	0	0
Commercial Real Estate | Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	174	0
Commercial and Industrial Loans | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	0	0
Commercial and Industrial Loans | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	0	0
Commercial and Industrial Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	0	0
Commercial and Industrial Loans | Total Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Performance Recorded Investment	$ 0	$ 0

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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