Schedule of Troubled Debt Restructurings on Financings Receivables and Year of Origination (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Short-Term Debt [Line Items]
Nonclassified	$ 927,532
Classified	9,894
Total	937,426
Charge-offs	(408)
One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	289,540
Classified	31
Total	289,571
Charge-offs
Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	21,464
Classified	193
Total	21,657
Charge-offs
Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	320,465
Classified	2,962
Total	323,427
Charge-offs
Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	179,369
Classified	6,462
Total	185,831
Charge-offs	(151)
Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	84,342
Classified	218
Total	84,560
Charge-offs
Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	3,200
Classified
Total	3,200
Charge-offs
Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	29,152
Classified	28
Total	29,180
Charge-offs	(257)
2023 [Member]
Short-Term Debt [Line Items]
Nonclassified	159,392
Classified	220
Total	159,612
Charge-offs
2023 [Member] \| One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	76,711
Classified
Total	76,711
Charge-offs
2023 [Member] \| Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	5,531
Classified
Total	5,531
Charge-offs
2023 [Member] \| Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	32,881
Classified
Total	32,881
Charge-offs
2023 [Member] \| Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	33,938
Classified	220
Total	34,158
Charge-offs
2023 [Member] \| Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	4,597
Classified
Total	4,597
Charge-offs
2023 [Member] \| Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,452
Classified
Total	1,452
Charge-offs
2023 [Member] \| Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	4,282
Classified
Total	4,282
Charge-offs
2022 [Member]
Short-Term Debt [Line Items]
Nonclassified	219,274
Classified	2,037
Total	221,311
Charge-offs	(17)
2022 [Member] \| One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	86,384
Classified
Total	86,384
Charge-offs
2022 [Member] \| Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	5,731
Classified
Total	5,731
Charge-offs
2022 [Member] \| Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	77,872
Classified
Total	77,872
Charge-offs
2022 [Member] \| Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	35,464
Classified	2,037
Total	37,501
Charge-offs	(17)
2022 [Member] \| Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	12,195
Classified
Total	12,195
Charge-offs
2022 [Member] \| Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	135
Classified
Total	135
Charge-offs
2022 [Member] \| Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,493
Classified
Total	1,493
Charge-offs
2021 [Member]
Short-Term Debt [Line Items]
Nonclassified	134,349
Classified	1,126
Total	135,475
Charge-offs	(90)
2021 [Member] \| One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	43,601
Classified
Total	43,601
Charge-offs
2021 [Member] \| Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	5,390
Classified
Total	5,390
Charge-offs
2021 [Member] \| Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	59,680
Classified	484
Total	60,164
Charge-offs
2021 [Member] \| Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	18,840
Classified	641
Total	19,481
Charge-offs	(90)
2021 [Member] \| Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	5,361
Classified
Total	5,361
Charge-offs
2021 [Member] \| Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Charge-offs
2021 [Member] \| Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,477
Classified	1
Total	1,478
Charge-offs
2020 [Member]
Short-Term Debt [Line Items]
Nonclassified	113,764
Classified	513
Total	114,277
Charge-offs	(44)
2020 [Member] \| One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	34,007
Classified
Total	34,007
Charge-offs
2020 [Member] \| Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	2,688
Classified
Total	2,688
Charge-offs
2020 [Member] \| Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	54,139
Classified	25
Total	54,164
Charge-offs
2020 [Member] \| Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	17,282
Classified	488
Total	17,770
Charge-offs	(44)
2020 [Member] \| Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	4,250
Classified
Total	4,250
Charge-offs
2020 [Member] \| Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Charge-offs
2020 [Member] \| Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,398
Classified
Total	1,398
Charge-offs
2019 [Member]
Short-Term Debt [Line Items]
Nonclassified	52,990
Classified	766
Total	53,756
Charge-offs
2019 [Member] \| One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	13,013
Classified
Total	13,013
Charge-offs
2019 [Member] \| Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	924
Classified
Total	924
Charge-offs
2019 [Member] \| Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	31,836
Classified	181
Total	32,017
Charge-offs
2019 [Member] \| Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	2,990
Classified	535
Total	3,525
Charge-offs
2019 [Member] \| Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	4,225
Classified	50
Total	4,275
Charge-offs
2019 [Member] \| Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Charge-offs
2019 [Member] \| Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	2
Classified
Total	2
Charge-offs
Prior [Member]
Short-Term Debt [Line Items]
Nonclassified	117,043
Classified	2,647
Total	119,690
Charge-offs
Prior [Member] \| One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	31,361
Classified	31
Total	31,392
Charge-offs
Prior [Member] \| Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	341
Classified	193
Total	534
Charge-offs
Prior [Member] \| Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	60,917
Classified	2,272
Total	63,189
Charge-offs
Prior [Member] \| Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	4,991
Classified	37
Total	5,028
Charge-offs
Prior [Member] \| Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	12,643
Classified	114
Total	12,757
Charge-offs
Prior [Member] \| Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	1,613
Classified
Total	1,613
Charge-offs
Prior [Member] \| Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	5,177
Classified
Total	5,177
Charge-offs
Revolving Loans Amortized Cost [Member]
Short-Term Debt [Line Items]
Nonclassified	124,840
Classified	2,384
Total	127,224
Charge-offs	(257)
Revolving Loans Amortized Cost [Member] \| One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	4,052
Classified
Total	4,052
Charge-offs
Revolving Loans Amortized Cost [Member] \| Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	530
Classified
Total	530
Charge-offs
Revolving Loans Amortized Cost [Member] \| Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	2,751
Classified
Total	2,751
Charge-offs
Revolving Loans Amortized Cost [Member] \| Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	61,285
Classified	2,305
Total	63,590
Charge-offs
Revolving Loans Amortized Cost [Member] \| Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	40,920
Classified	54
Total	40,974
Charge-offs
Revolving Loans Amortized Cost [Member] \| Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Charge-offs
Revolving Loans Amortized Cost [Member] \| Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	15,302
Classified	25
Total	15,327
Charge-offs	(257)
Revolving Loans Converted To Term [Member]
Short-Term Debt [Line Items]
Nonclassified	5,880
Classified	201
Total	6,081
Charge-offs
Revolving Loans Converted To Term [Member] \| One to Four Family Residential Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	411
Classified
Total	411
Charge-offs
Revolving Loans Converted To Term [Member] \| Construction And Land Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	329
Classified
Total	329
Charge-offs
Revolving Loans Converted To Term [Member] \| Commercial Real Estate [Member]
Short-Term Debt [Line Items]
Nonclassified	389
Classified
Total	389
Charge-offs
Revolving Loans Converted To Term [Member] \| Commercial Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	4,579
Classified	199
Total	4,778
Charge-offs
Revolving Loans Converted To Term [Member] \| Agriculture Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	151
Classified
Total	151
Charge-offs
Revolving Loans Converted To Term [Member] \| Municipal Loans [Member]
Short-Term Debt [Line Items]
Nonclassified
Classified
Total
Charge-offs
Revolving Loans Converted To Term [Member] \| Consumer Loans [Member]
Short-Term Debt [Line Items]
Nonclassified	21
Classified	2
Total	23
Charge-offs

Schedule of Troubled Debt Restructurings on Financings Receivables and Year of Origination (Details)
$ in Thousands

Sep. 30, 2023

USD ($)

Short-Term Debt [Line Items]

$ 927,532

9,894

937,426

(408)