Note 3 - Loans Receivable - Delinquencies Within the Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Loans receivable	$ 1,557,771	$ 1,520,646
Non-accrual Loans, no allowance	1,906	3,200
Nonaccrual, with ACL	60	27
Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	7,849	10,277
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	2,156	623
Financial Asset, Past Due [Member]
Loans receivable	10,005	10,900
Financial Asset, Not Past Due [Member]
Loans receivable	1,545,800	1,506,519
Residential Portfolio Segment [Member]
Loans receivable	184,542	199,422
Residential Portfolio Segment [Member] \| One-to-Four Family Loans [Member]
Loans receivable	149,119	153,721
Non-accrual Loans, no allowance	341	469
Nonaccrual, with ACL	0	0
Residential Portfolio Segment [Member] \| One-to-Four Family Loans [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	793	1,326
Residential Portfolio Segment [Member] \| One-to-Four Family Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	874	623
Residential Portfolio Segment [Member] \| One-to-Four Family Loans [Member] \| Financial Asset, Past Due [Member]
Loans receivable	1,667	1,949
Residential Portfolio Segment [Member] \| One-to-Four Family Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	147,111	151,303
Residential Portfolio Segment [Member] \| One-to-Four Family Construction [Member]
Loans receivable	35,423	45,701
Non-accrual Loans, no allowance	0	961
Nonaccrual, with ACL	0	0
Residential Portfolio Segment [Member] \| One-to-Four Family Construction [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	0	0
Residential Portfolio Segment [Member] \| One-to-Four Family Construction [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	0	0
Residential Portfolio Segment [Member] \| One-to-Four Family Construction [Member] \| Financial Asset, Past Due [Member]
Loans receivable	0	0
Residential Portfolio Segment [Member] \| One-to-Four Family Construction [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	35,423	44,740
Commercial Real Estate Portfolio Segment [Member]
Loans receivable	943,137	916,783
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate Loan [Member]
Loans receivable	670,403	645,962
Non-accrual Loans, no allowance	420	268
Nonaccrual, with ACL	0	0
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate Loan [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	103	5,739
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate Loan [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	0	0
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate Loan [Member] \| Financial Asset, Past Due [Member]
Loans receivable	103	5,739
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate Loan [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	669,880	639,955
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans receivable	113,455	124,211
Non-accrual Loans, no allowance	1	2
Nonaccrual, with ACL	0	0
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	260	951
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	0	0
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, Past Due [Member]
Loans receivable	260	951
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	113,194	123,258
Commercial Real Estate Portfolio Segment [Member] \| Farmland Loan [Member]
Loans receivable	159,279	146,610
Non-accrual Loans, no allowance	316	190
Nonaccrual, with ACL	0	0
Commercial Real Estate Portfolio Segment [Member] \| Farmland Loan [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	2,385	54
Commercial Real Estate Portfolio Segment [Member] \| Farmland Loan [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	988	0
Commercial Real Estate Portfolio Segment [Member] \| Farmland Loan [Member] \| Financial Asset, Past Due [Member]
Loans receivable	3,373	54
Commercial Real Estate Portfolio Segment [Member] \| Farmland Loan [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	155,590	146,366
Home Equity Portfolio Segment [Member]
Loans receivable	106,648	97,543
Non-accrual Loans, no allowance	348	335
Nonaccrual, with ACL	0	0
Home Equity Portfolio Segment [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	97	382
Home Equity Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	0	0
Home Equity Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans receivable	97	382
Home Equity Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	106,203	96,826
Consumer Portfolio Segment [Member]
Loans receivable	25,558	28,513
Non-accrual Loans, no allowance	116	98
Nonaccrual, with ACL	56	23
Consumer Portfolio Segment [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	307	195
Consumer Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	0	0
Consumer Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans receivable	307	195
Consumer Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	25,079	28,197
Commercial Portfolio Segment [Member]
Loans receivable	297,886	278,385
Commercial Portfolio Segment [Member] \| Commercial Loans [Member]
Loans receivable	143,029	144,039
Non-accrual Loans, no allowance	187	200
Nonaccrual, with ACL	4	4
Commercial Portfolio Segment [Member] \| Commercial Loans [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	97	1,064
Commercial Portfolio Segment [Member] \| Commercial Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	1	0
Commercial Portfolio Segment [Member] \| Commercial Loans [Member] \| Financial Asset, Past Due [Member]
Loans receivable	98	1,064
Commercial Portfolio Segment [Member] \| Commercial Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	142,740	142,771
Commercial Portfolio Segment [Member] \| Agricultural Loan [Member]
Loans receivable	154,857	134,346
Non-accrual Loans, no allowance	177	677
Nonaccrual, with ACL	0	0
Commercial Portfolio Segment [Member] \| Agricultural Loan [Member] \| Financing Receivables, 30 to 89 Days Past Due [Member]
Loans receivable	3,807	566
Commercial Portfolio Segment [Member] \| Agricultural Loan [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans receivable	293	0
Commercial Portfolio Segment [Member] \| Agricultural Loan [Member] \| Financial Asset, Past Due [Member]
Loans receivable	4,100	566
Commercial Portfolio Segment [Member] \| Agricultural Loan [Member] \| Financial Asset, Not Past Due [Member]
Loans receivable	$ 150,580	$ 133,103

Eagle Bancorp Montana, Inc. 10-Q