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Schedule of Troubled Debt Restructurings on Financings Receivables and Year of Origination (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Short-Term Debt [Line Items]
Nonclassified	$ 974,944	$ 941,184
Classified	26,905	7,472
Total	1,001,849	948,656
Gross charge-offs	413	850
One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	344,304	302,352
Classified	76	192
Total	344,380	302,544
Gross charge-offs
Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	23,454	21,090
Classified
Total	23,454	21,090
Gross charge-offs
Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	321,045	319,304
Classified	2,971	1,658
Total	324,016	320,962
Gross charge-offs
Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	158,879	175,907
Classified	22,773	5,035
Total	181,652	180,942
Gross charge-offs	105	479
Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	90,901	89,118
Classified	1,085	562
Total	91,986	89,680
Gross charge-offs
Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	7,098	4,507
Classified
Total	7,098	4,507
Gross charge-offs
Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	29,263	28,906
Classified		25
Total	29,263	28,931
Gross charge-offs	308	371
2024 [Member]
Short-Term Debt [Line Items]
Nonclassified	151,519
Classified	3,763
Total	155,282
Gross charge-offs	275
2024 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	69,036
Classified
Total	69,036
Gross charge-offs
2024 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	4,264
Classified
Total	4,264
Gross charge-offs
2024 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	39,708
Classified	879
Total	40,587
Gross charge-offs
2024 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	21,221
Classified	2,884
Total	24,105
Gross charge-offs
2024 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	14,372
Classified
Total	14,372
Gross charge-offs
2024 [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Gross charge-offs
2024 [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	2,918
Classified
Total	2,918
Gross charge-offs	275
2023 [Member]
Short-Term Debt [Line Items]
Nonclassified	181,211	197,376
Classified	10,791	226
Total	192,002	197,602
Gross charge-offs	7
2023 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	87,966	95,290
Classified
Total	87,966	95,290
Gross charge-offs
2023 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	11,468	6,283
Classified
Total	11,468	6,283
Gross charge-offs
2023 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	43,771	41,644
Classified
Total	43,771	41,644
Gross charge-offs
2023 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	25,133	38,818
Classified	10,609	226
Total	35,742	39,044
Gross charge-offs
2023 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,839	7,862
Classified	182
Total	4,021	7,862
Gross charge-offs
2023 [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	5,551	2,774
Classified
Total	5,551	2,774
Gross charge-offs
2023 [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,483	4,705
Classified
Total	3,483	4,705
Gross charge-offs	7
2022 [Member]
Short-Term Debt [Line Items]
Nonclassified	183,749	213,354
Classified	2,173	2,016
Total	185,922	215,370
Gross charge-offs	17	28
2022 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	77,175	84,718
Classified
Total	77,175	84,718
Gross charge-offs
2022 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,951	5,267
Classified
Total	1,951	5,267
Gross charge-offs
2022 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	69,510	77,427
Classified
Total	69,510	77,427
Gross charge-offs
2022 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	25,238	32,764
Classified	1,932	2,000
Total	27,170	34,764
Gross charge-offs	16	28
2022 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	9,061	11,718
Classified	241	16
Total	9,302	11,734
Gross charge-offs
2022 [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	97	128
Classified
Total	97	128
Gross charge-offs
2022 [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	717	1,332
Classified
Total	717	1,332
Gross charge-offs	1
2021 [Member]
Short-Term Debt [Line Items]
Nonclassified	110,405	129,178
Classified	934	810
Total	111,339	129,988
Gross charge-offs	86	410
2021 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	38,548	42,533
Classified
Total	38,548	42,533
Gross charge-offs
2021 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,722	5,367
Classified
Total	1,722	5,367
Gross charge-offs
2021 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	54,452	58,327
Classified	477	481
Total	54,929	58,808
Gross charge-offs
2021 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	10,657	16,747
Classified	55	158
Total	10,712	16,905
Gross charge-offs	86	407
2021 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,887	4,864
Classified	402	171
Total	4,289	5,035
Gross charge-offs
2021 [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Gross charge-offs
2021 [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,139	1,340
Classified
Total	1,139	1,340
Gross charge-offs		3
2020 [Member]
Short-Term Debt [Line Items]
Nonclassified	86,849	106,473
Classified	4,002	482
Total	90,851	106,955
Gross charge-offs	3	44
2020 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	28,686	32,081
Classified
Total	28,686	32,081
Gross charge-offs
2020 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	2,594	2,665
Classified
Total	2,594	2,665
Gross charge-offs
2020 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	42,825	50,744
Classified		22
Total	42,825	50,766
Gross charge-offs
2020 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	8,622	15,511
Classified	3,993	460
Total	12,615	15,971
Gross charge-offs	3	44
2020 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,427	4,092
Classified	9
Total	3,436	4,092
Gross charge-offs
2020 [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Gross charge-offs
2020 [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	695	1,380
Classified
Total	695	1,380
Gross charge-offs
Prior [Member]
Short-Term Debt [Line Items]
Nonclassified	128,977	110,699
Classified	1,811	1,280
Total	130,788	111,979
Gross charge-offs
Prior [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	36,751	29,694
Classified	76	192
Total	36,827	29,886
Gross charge-offs
Prior [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,353	492
Classified
Total	1,353	492
Gross charge-offs
Prior [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	68,946	57,502
Classified	1,615	975
Total	70,561	58,477
Gross charge-offs
Prior [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	2,687	4,386
Classified	34
Total	2,721	4,386
Gross charge-offs
Prior [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	14,533	12,114
Classified	86	113
Total	14,619	12,227
Gross charge-offs
Prior [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,450	1,605
Classified
Total	1,450	1,605
Gross charge-offs
Prior [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,257	4,906
Classified
Total	3,257	4,906
Gross charge-offs
Revolving Loans Amortized Cost [Member]
Short-Term Debt [Line Items]
Nonclassified	131,654	128,833
Classified	2,168	2,108
Total	133,822	130,941
Gross charge-offs	25	368
Revolving Loans Amortized Cost [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	6,009	5,097
Classified
Total	6,009	5,097
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	102	100
Classified
Total	102	100
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	1,744	3,017
Classified
Total	1,744	3,017
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	65,215	61,046
Classified	2,003	1,952
Total	67,218	62,998
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	41,549	44,352
Classified	165	131
Total	41,714	44,483
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	17,035	15,221
Classified		25
Total	17,035	15,246
Gross charge-offs	25	368
Revolving Loans Converted To Term [Member]
Short-Term Debt [Line Items]
Nonclassified	580	4,611
Classified	1,263	182
Total	1,843	4,793
Gross charge-offs
Revolving Loans Converted To Term [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	133	163
Classified
Total	133	163
Gross charge-offs
Revolving Loans Converted To Term [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Gross charge-offs
Revolving Loans Converted To Term [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	89	92
Classified
Total	89	92
Gross charge-offs
Revolving Loans Converted To Term [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	106	4,121
Classified	1,263	182
Total	1,369	4,303
Gross charge-offs
Revolving Loans Converted To Term [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	233	214
Classified
Total	233	214
Gross charge-offs
Revolving Loans Converted To Term [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Gross charge-offs
Revolving Loans Converted To Term [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	19	21
Classified
Total	19	21
Gross charge-offs
2019 [Member]
Short-Term Debt [Line Items]
Nonclassified		50,660
Classified		368
Total		51,028
Gross charge-offs
2019 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified		12,776
Classified
Total		12,776
Gross charge-offs
2019 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified		916
Classified
Total		916
Gross charge-offs
2019 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified		30,551
Classified		180
Total		30,731
Gross charge-offs
2019 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified		2,514
Classified		57
Total		2,571
Gross charge-offs
2019 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified		3,902
Classified		131
Total		4,033
Gross charge-offs
2019 [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Gross charge-offs
2019 [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified		1
Classified
Total		1
Gross charge-offs

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