Loans Receivable And Allowance for Loan Losses - Gross Charge-Offs (Details) - Other consumer	3 Months Ended
	Sep. 30, 2024 USD ($)
Total consumer loans held for investment
2024	$ 135,645,000
2023	267,440,000
2022	344,216,000
2021	188,321,000
2020	115,878,000
Prior	306,420,000
Revolving Loans	86,506,000
Total Loans Receivable	1,444,426,000
Current period gross charge-off
2024	6,000
2023	80,000
2022	0
2021	0
2020	0
Prior	13,000
Revolving Loans	2,000
Total Loans Receivable	101,000
Mortgage loans, one-to-four family
Total consumer loans held for investment
2024	12,941,000
2023	68,467,000
2022	113,834,000
2021	48,120,000
2020	19,053,000
Prior	36,708,000
Revolving Loans	0
Total Loans Receivable	299,123,000
Mortgage loans, multi-family
Total consumer loans held for investment
2024	13,136,000
2023	19,440,000
2022	39,673,000
2021	33,144,000
2020	27,029,000
Prior	43,759,000
Revolving Loans	1,169,000
Total Loans Receivable	177,350,000
Mortgage loans, commercial
Total consumer loans held for investment
2024	23,758,000
2023	73,949,000
2022	126,939,000
2021	91,035,000
2020	59,699,000
Prior	215,040,000
Revolving Loans	8,799,000
Total Loans Receivable	599,219,000
Mortgage loans, construction - custom and owner/builder
Total consumer loans held for investment
2024	38,524,000
2023	32,398,000
2022	6,626,000
2021	2,861,000
2020	429,000
Prior	436,000
Revolving Loans	0
Total Loans Receivable	81,274,000
Mortgage loans, construction - speculative one-to-four family
Total consumer loans held for investment
2024	5,039,000
2023	2,412,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	7,451,000
Mortgage loans, construction - commercial
Total consumer loans held for investment
2024	6,006,000
2023	16,349,000
2022	1,457,000
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	23,812,000
Mortgage loans, construction - multi-family
Total consumer loans held for investment
2024	588,000
2023	20,169,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	20,757,000
Mortgage loans - construction - land development
Total consumer loans held for investment
2024	1,673,000
2023	2,807,000
2022	11,549,000
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	16,029,000
Mortgage loans, land
Total consumer loans held for investment
2024	10,287,000
2023	4,828,000
2022	6,588,000
2021	4,004,000
2020	766,000
Prior	2,435,000
Revolving Loans	458,000
Total Loans Receivable	29,366,000
Consumer loans, home equity and second mortgage
Total consumer loans held for investment
2024	5,820,000
2023	4,716,000
2022	1,990,000
2021	252,000
2020	573,000
Prior	2,178,000
Revolving Loans	32,384,000
Total Loans Receivable	47,913,000
Other consumer
Total consumer loans held for investment
2024	1,744,000
2023	441,000
2022	241,000
2021	57,000
2020	8,000
Prior	566,000
Revolving Loans	72,000
Total Loans Receivable	3,129,000
Current period gross charge-off
2024	6,000
2023	1,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	2,000
Total Loans Receivable	9,000
Commercial business loans
Total consumer loans held for investment
2024	16,129,000
2023	21,464,000
2022	35,319,000
2021	8,624,000
2020	8,285,000
Prior	5,298,000
Revolving Loans	43,624,000
Total Loans Receivable	138,743,000
Current period gross charge-off
2024	0
2023	79,000
2022	0
2021	0
2020	0
Prior	13,000
Revolving Loans	0
Total Loans Receivable	92,000
SBA PPP Loans
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	224,000
2020	36,000
Prior	0
Revolving Loans	0
Total Loans Receivable	260,000
Pass
Total consumer loans held for investment
2024	135,424,000
2023	259,907,000
2022	326,617,000
2021	185,424,000
2020	110,552,000
Prior	284,018,000
Revolving Loans	85,707,000
Total Loans Receivable	1,387,649,000
Pass | Mortgage loans, one-to-four family
Total consumer loans held for investment
2024	12,941,000
2023	66,671,000
2022	113,834,000
2021	48,120,000
2020	19,053,000
Prior	36,659,000
Revolving Loans	0
Total Loans Receivable	297,278,000
Pass | Mortgage loans, multi-family
Total consumer loans held for investment
2024	13,136,000
2023	19,440,000
2022	39,673,000
2021	33,144,000
2020	27,029,000
Prior	43,759,000
Revolving Loans	1,169,000
Total Loans Receivable	177,350,000
Pass | Mortgage loans, commercial
Total consumer loans held for investment
2024	23,758,000
2023	73,005,000
2022	126,939,000
2021	91,035,000
2020	55,498,000
Prior	194,273,000
Revolving Loans	8,799,000
Total Loans Receivable	573,307,000
Pass | Mortgage loans, construction - custom and owner/builder
Total consumer loans held for investment
2024	38,303,000
2023	29,159,000
2022	778,000
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	68,240,000
Pass | Mortgage loans, construction - speculative one-to-four family
Total consumer loans held for investment
2024	5,039,000
2023	2,412,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	7,451,000
Pass | Mortgage loans, construction - commercial
Total consumer loans held for investment
2024	6,006,000
2023	16,349,000
2022	1,457,000
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	23,812,000
Pass | Mortgage loans, construction - multi-family
Total consumer loans held for investment
2024	588,000
2023	20,169,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	20,757,000
Pass | Mortgage loans - construction - land development
Total consumer loans held for investment
2024	1,673,000
2023	2,807,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	4,480,000
Pass | Mortgage loans, land
Total consumer loans held for investment
2024	10,287,000
2023	4,828,000
2022	6,588,000
2021	4,004,000
2020	766,000
Prior	1,954,000
Revolving Loans	458,000
Total Loans Receivable	28,885,000
Pass | Consumer loans, home equity and second mortgage
Total consumer loans held for investment
2024	5,820,000
2023	4,716,000
2022	1,990,000
2021	252,000
2020	573,000
Prior	2,097,000
Revolving Loans	31,766,000
Total Loans Receivable	47,214,000
Pass | Other consumer
Total consumer loans held for investment
2024	1,744,000
2023	441,000
2022	241,000
2021	57,000
2020	8,000
Prior	501,000
Revolving Loans	71,000
Total Loans Receivable	3,063,000
Pass | Commercial business loans
Total consumer loans held for investment
2024	16,129,000
2023	19,910,000
2022	35,117,000
2021	8,588,000
2020	7,589,000
Prior	4,775,000
Revolving Loans	43,444,000
Total Loans Receivable	135,552,000
Pass | SBA PPP Loans
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	224,000
2020	36,000
Prior	0
Revolving Loans	0
Total Loans Receivable	260,000
Watch
Total consumer loans held for investment
2024	221,000
2023	5,979,000
2022	17,599,000
2021	2,897,000
2020	5,326,000
Prior	11,536,000
Revolving Loans	181,000
Total Loans Receivable	43,739,000
Watch | Mortgage loans, one-to-four family
Total consumer loans held for investment
2024	0
2023	1,796,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	1,796,000
Watch | Mortgage loans, commercial
Total consumer loans held for investment
2024	0
2023	944,000
2022	0
2021	0
2020	4,201,000
Prior	10,548,000
Revolving Loans	0
Total Loans Receivable	15,693,000
Watch | Mortgage loans, construction - custom and owner/builder
Total consumer loans held for investment
2024	221,000
2023	3,239,000
2022	5,848,000
2021	2,861,000
2020	429,000
Prior	436,000
Revolving Loans	0
Total Loans Receivable	13,034,000
Watch | Mortgage loans - construction - land development
Total consumer loans held for investment
2024	0
2023	0
2022	11,549,000
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	11,549,000
Watch | Mortgage loans, land
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	481,000
Revolving Loans	0
Total Loans Receivable	481,000
Watch | Other consumer
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	65,000
Revolving Loans	1,000
Total Loans Receivable	66,000
Watch | Commercial business loans
Total consumer loans held for investment
2024	0
2023	0
2022	202,000
2021	36,000
2020	696,000
Prior	6,000
Revolving Loans	180,000
Total Loans Receivable	1,120,000
Special Mention
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	4,401,000
Revolving Loans	0
Total Loans Receivable	4,401,000
Special Mention | Mortgage loans, commercial
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	4,401,000
Revolving Loans	0
Total Loans Receivable	4,401,000
Substandard
Total consumer loans held for investment
2024	0
2023	1,352,000
2022	0
2021	0
2020	0
Prior	6,465,000
Revolving Loans	618,000
Total Loans Receivable	8,435,000
Substandard | Mortgage loans, one-to-four family
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	49,000
Revolving Loans	0
Total Loans Receivable	49,000
Substandard | Mortgage loans, commercial
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	5,818,000
Revolving Loans	0
Total Loans Receivable	5,818,000
Substandard | Consumer loans, home equity and second mortgage
Total consumer loans held for investment
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	81,000
Revolving Loans	618,000
Total Loans Receivable	699,000
Substandard | Commercial business loans
Total consumer loans held for investment
2024	0
2023	1,352,000
2022	0
2021	0
2020	0
Prior	517,000
Revolving Loans	0
Total Loans Receivable	1,869,000
Doubtful
Total consumer loans held for investment
2024	0
2023	202,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	202,000
Doubtful | Commercial business loans
Total consumer loans held for investment
2024	0
2023	202,000
2022	0
2021	0
2020	0
Prior	0
Revolving Loans	0
Total Loans Receivable	$ 202,000