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Loans Receivable and ACL (Details) - USD ($)
$ in Thousands

Dec. 31, 2024

Sep. 30, 2024

Mar. 31, 2024

Dec. 31, 2023

Sep. 30, 2023

Mar. 31, 2023

Accounts, Notes, Loans and Financing Receivable [Line Items]

Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss

$ 610,877

$ 622,878

Allowance for Credit Loss, Excluding Accrued Interest

6,057

$ 6,242

5,871

$ 5,897

$ 6,007

$ 5,229

Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss

$ 604,820

$ 617,007

Percentage of Loan Type

100.00%

100.00%

One-to-four family

Accounts, Notes, Loans and Financing Receivable [Line Items]

Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss

$ 76,361

$ 82,787

Allowance for Credit Loss, Excluding Accrued Interest

$ 1,901

2,013

$ 2,005

2,068

2,264

716

Percentage of Loan Type

12.50%

13.30%

Multifamily

Accounts, Notes, Loans and Financing Receivable [Line Items]

Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss

$ 169,596

$ 177,203

Allowance for Credit Loss, Excluding Accrued Interest

$ 798

759

$ 720

722

721

1,109

Percentage of Loan Type

27.80%

28.40%

Commercial real estate

Accounts, Notes, Loans and Financing Receivable [Line Items]

Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss

$ 181,488

$ 175,384

Allowance for Credit Loss, Excluding Accrued Interest

$ 1,338

1,247

$ 1,222

1,211

1,212

1,814

Percentage of Loan Type

29.70%

28.20%

Construction

Accounts, Notes, Loans and Financing Receivable [Line Items]

Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss

$ 4,131

$ 2,203

Allowance for Credit Loss, Excluding Accrued Interest

$ 3

4

$ 1

1

0

0

Percentage of Loan Type

0.60%

0.40%

Business

Accounts, Notes, Loans and Financing Receivable [Line Items]

Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss

^[1]

$ 163,579

$ 169,602

Allowance for Credit Loss, Excluding Accrued Interest

$ 1,415

1,539

$ 1,415

1,452

1,393

1,139

Percentage of Loan Type

^[1]

26.80%

27.20%

Consumer

Accounts, Notes, Loans and Financing Receivable [Line Items]

Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss

^[2]

$ 15,722

$ 15,699

Allowance for Credit Loss, Excluding Accrued Interest

$ 593

$ 607

$ 450

$ 443

$ 417

$ 449

Percentage of Loan Type

^[2]

2.60%

2.50%

[1]	(1) Includes PPP loans and business overdrafts
[2]	2) Includes personal loans and consumer overdrafts

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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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+ 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

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
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+ References

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-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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-Name Accounting Standards Codification
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-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

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-Paragraph 5
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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