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Schedule of Troubled Debt Restructurings on Financings Receivables and Year of Origination (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Short-Term Debt [Line Items]
Nonclassified	$ 949,894	$ 941,184
Classified	14,146	7,472
Total	964,040	948,656
Gross charge-offs	141	850
One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	312,696	302,352
Classified	137	192
Total	312,833	302,544
Gross charge-offs
Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	24,823	21,090
Classified
Total	24,823	21,090
Gross charge-offs
Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	321,245	319,304
Classified	2,152	1,658
Total	323,397	320,962
Gross charge-offs
Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	170,844	175,907
Classified	11,101	5,035
Total	181,945	180,942
Gross charge-offs	70	479
Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	86,077	89,118
Classified	731	562
Total	86,808	89,680
Gross charge-offs
Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	5,690	4,507
Classified
Total	5,690	4,507
Gross charge-offs
Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	28,519	28,906
Classified	25	25
Total	28,544	28,931
Gross charge-offs	71	371
2024 [Member]
Short-Term Debt [Line Items]
Nonclassified	48,770
Classified	2,087
Total	50,857
Gross charge-offs	71
2024 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	17,207
Classified
Total	17,207
Gross charge-offs
2024 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	7,239
Classified
Total	7,239
Gross charge-offs
2024 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	13,198
Classified
Total	13,198
Gross charge-offs
2024 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	6,440
Classified	2,087
Total	8,527
Gross charge-offs
2024 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	2,797
Classified
Total	2,797
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	1,889
Classified
Total	1,889
Gross charge-offs	71
2023 [Member]
Short-Term Debt [Line Items]
Nonclassified	196,907	197,376
Classified	2,614	226
Total	199,521	197,602
Gross charge-offs
2023 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	92,683	95,290
Classified
Total	92,683	95,290
Gross charge-offs
2023 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	8,417	6,283
Classified
Total	8,417	6,283
Gross charge-offs
2023 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	43,201	41,644
Classified
Total	43,201	41,644
Gross charge-offs
2023 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	38,205	38,818
Classified	2,614	226
Total	40,819	39,044
Gross charge-offs
2023 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	6,454	7,862
Classified
Total	6,454	7,862
Gross charge-offs
2023 [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,956	2,774
Classified
Total	3,956	2,774
Gross charge-offs
2023 [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,991	4,705
Classified
Total	3,991	4,705
Gross charge-offs
2022 [Member]
Short-Term Debt [Line Items]
Nonclassified	201,065	213,354
Classified	2,092	2,016
Total	203,157	215,370
Gross charge-offs	3	28
2022 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	83,224	84,718
Classified
Total	83,224	84,718
Gross charge-offs
2022 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,218	5,267
Classified
Total	3,218	5,267
Gross charge-offs
2022 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	73,446	77,427
Classified
Total	73,446	77,427
Gross charge-offs
2022 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	29,380	32,764
Classified	1,972	2,000
Total	31,352	34,764
Gross charge-offs	3	28
2022 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	10,716	11,718
Classified	120	16
Total	10,836	11,734
Gross charge-offs
2022 [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	116	128
Classified
Total	116	128
Gross charge-offs
2022 [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	965	1,332
Classified
Total	965	1,332
Gross charge-offs
2021 [Member]
Short-Term Debt [Line Items]
Nonclassified	120,348	129,178
Classified	711	810
Total	121,059	129,988
Gross charge-offs	67	410
2021 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	41,722	42,533
Classified
Total	41,722	42,533
Gross charge-offs
2021 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,766	5,367
Classified
Total	1,766	5,367
Gross charge-offs
2021 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	58,079	58,327
Classified	476	481
Total	58,555	58,808
Gross charge-offs
2021 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	12,908	16,747
Classified	222	158
Total	13,130	16,905
Gross charge-offs	67	407
2021 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	4,605	4,864
Classified	13	171
Total	4,618	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	1,268	1,340
Classified
Total	1,268	1,340
Gross charge-offs		3
2020 [Member]
Short-Term Debt [Line Items]
Nonclassified	102,716	106,473
Classified	539	482
Total	103,255	106,955
Gross charge-offs		44
2020 [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	30,926	32,081
Classified
Total	30,926	32,081
Gross charge-offs
2020 [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	2,642	2,665
Classified
Total	2,642	2,665
Gross charge-offs
2020 [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	49,861	50,744
Classified	19	22
Total	49,880	50,766
Gross charge-offs
2020 [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	14,426	15,511
Classified	503	460
Total	14,929	15,971
Gross charge-offs		44
2020 [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,861	4,092
Classified	17
Total	3,878	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	1,000	1,380
Classified
Total	1,000	1,380
Gross charge-offs
Prior [Member]
Short-Term Debt [Line Items]
Nonclassified	149,126	110,699
Classified	2,234	1,280
Total	151,360	111,979
Gross charge-offs
Prior [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	40,712	29,694
Classified	137	192
Total	40,849	29,886
Gross charge-offs
Prior [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,441	492
Classified
Total	1,441	492
Gross charge-offs
Prior [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	80,450	57,502
Classified	1,657	975
Total	82,107	58,477
Gross charge-offs
Prior [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	5,729	4,386
Classified	50
Total	5,779	4,386
Gross charge-offs
Prior [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	15,525	12,114
Classified	390	113
Total	15,915	12,227
Gross charge-offs
Prior [Member] | Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,618	1,605
Classified
Total	1,618	1,605
Gross charge-offs
Prior [Member] | Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,651	4,906
Classified
Total	3,651	4,906
Gross charge-offs
Revolving Loans Amortized Cost [Member]
Short-Term Debt [Line Items]
Nonclassified	130,374	128,833
Classified	2,315	2,108
Total	132,689	130,941
Gross charge-offs		368
Revolving Loans Amortized Cost [Member] | One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	6,069	5,097
Classified
Total	6,069	5,097
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	100	100
Classified
Total	100	100
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	2,944	3,017
Classified
Total	2,944	3,017
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	63,586	61,046
Classified	2,129	1,952
Total	65,715	62,998
Gross charge-offs
Revolving Loans Amortized Cost [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	41,940	44,352
Classified	161	131
Total	42,101	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	15,735	15,221
Classified	25	25
Total	15,760	15,246
Gross charge-offs		368
Revolving Loans Converted To Term [Member]
Short-Term Debt [Line Items]
Nonclassified	588	4,611
Classified	1,554	182
Total	2,142	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	153	163
Classified
Total	153	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	66	92
Classified
Total	66	92
Gross charge-offs
Revolving Loans Converted To Term [Member] | Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	170	4,121
Classified	1,524	182
Total	1,694	4,303
Gross charge-offs
Revolving Loans Converted To Term [Member] | Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	179	214
Classified	30
Total	209	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	20	21
Classified
Total	20	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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