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Loans and Allowance for Credit Losses, Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	$ 252,043		$ 407,620
2024-2023	302,941		265,841
2023-2022	209,098		200,071
2022-2021	187,000		36,204
2021-2020	33,946		24,814
Prior	35,796		14,353
Revolving loans amortized cost	405,037		450,390
Total	1,425,861		1,399,293
Current-Period Gross Charge-Offs [Abstract]
2025-2024	0		0
2024-2023	200		2,275
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost basis	0		0
Current-period gross charge-offs	200	$ 0	2,275
Construction & Development [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	24,122		41,951
2024-2023	31,471		6,197
2023-2022	1,714		2,042
2022-2021	3,302		370
2021-2020	362		104
Prior	201		111
Revolving loans amortized cost	126,229		116,910
Total	187,401		167,685
Current-Period Gross Charge-Offs [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost basis	0		0
Current-period gross charge-offs	0	0	0
Construction & Development [Member] | 1 (Pass) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	23,559		40,129
2024-2023	31,471		6,197
2023-2022	1,714		2,042
2022-2021	1,979		370
2021-2020	362		104
Prior	201		111
Revolving loans amortized cost	126,229		116,910
Total	185,515		165,863
Construction & Development [Member] | 2 (Watch) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
Construction & Development [Member] | 3 (Special Mention) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		1,259
2024-2023	0		0
2023-2022	0		0
2022-2021	1,323		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	1,323		1,259
Construction & Development [Member] | 4 (Substandard) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	563		563
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	563		563
1 - 4 Family Real Estate [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	27,019		56,013
2024-2023	41,951		31,274
2023-2022	29,431		13,488
2022-2021	11,244		6,381
2021-2020	6,294		3,729
Prior	5,186		1,920
Revolving loans amortized cost	7,806		8,242
Total	128,931		121,047
Current-Period Gross Charge-Offs [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost basis	0		0
Current-period gross charge-offs	0	0	0
1 - 4 Family Real Estate [Member] | 1 (Pass) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	27,019		56,013
2024-2023	41,951		31,274
2023-2022	29,431		13,488
2022-2021	11,244		6,381
2021-2020	6,294		3,729
Prior	5,186		1,920
Revolving loans amortized cost	7,806		8,242
Total	128,931		121,047
1 - 4 Family Real Estate [Member] | 2 (Watch) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
1 - 4 Family Real Estate [Member] | 3 (Special Mention) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
1 - 4 Family Real Estate [Member] | 4 (Substandard) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
Commercial Real Estate - Other [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	126,094		136,340
2024-2023	106,277		141,750
2023-2022	107,062		137,497
2022-2021	130,724		18,352
2021-2020	17,115		14,589
Prior	13,824		5,426
Revolving loans amortized cost	26,679		57,350
Total	527,775		511,304
Current-Period Gross Charge-Offs [Abstract]
2025-2024	0		0
2024-2023	197		275
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost basis	0		0
Current-period gross charge-offs	197	0	275
Commercial Real Estate - Other [Member] | 1 (Pass) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	124,256		124,421
2024-2023	101,488		141,303
2023-2022	104,372		137,497
2022-2021	130,724		18,352
2021-2020	17,115		14,589
Prior	13,727		5,323
Revolving loans amortized cost	26,679		57,350
Total	518,361		498,835
Commercial Real Estate - Other [Member] | 2 (Watch) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
Commercial Real Estate - Other [Member] | 3 (Special Mention) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		7,493
2024-2023	4,789		0
2023-2022	2,690		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	7,479		7,493
Commercial Real Estate - Other [Member] | 4 (Substandard) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	1,838		4,426
2024-2023	0		447
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	97		103
Revolving loans amortized cost	0		0
Total	1,935		4,976
Commercial and Industrial [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	60,518		136,720
2024-2023	95,319		78,446
2023-2022	64,102		41,532
2022-2021	36,551		3,608
2021-2020	3,321		1,049
Prior	8,826		3,736
Revolving loans amortized cost	220,103		241,932
Total	488,740		507,023
Current-Period Gross Charge-Offs [Abstract]
2025-2024	0		0
2024-2023	0		2,000
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost basis	0		0
Current-period gross charge-offs	0	0	2,000
Commercial and Industrial [Member] | 1 (Pass) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	46,951		126,745
2024-2023	84,938		78,446
2023-2022	64,102		41,532
2022-2021	36,213		3,608
2021-2020	3,321		1,049
Prior	4,549		3,736
Revolving loans amortized cost	215,902		238,396
Total	455,976		493,512
Commercial and Industrial [Member] | 2 (Watch) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	2,499		0
Total	2,499		0
Commercial and Industrial [Member] | 3 (Special Mention) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	13,567		558
2024-2023	4,984		0
2023-2022	0		0
2022-2021	338		0
2021-2020	0		0
Prior	418		0
Revolving loans amortized cost	125		3,259
Total	19,432		3,817
Commercial and Industrial [Member] | 4 (Substandard) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		9,417
2024-2023	5,397		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	3,859		0
Revolving loans amortized cost	1,577		277
Total	10,833		9,694
Agricultural [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	12,642		31,692
2024-2023	24,270		6,308
2023-2022	5,440		4,741
2022-2021	4,528		6,135
2021-2020	5,635		3,654
Prior	4,501		1,140
Revolving loans amortized cost	22,484		24,252
Total	79,500		77,922
Current-Period Gross Charge-Offs [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost basis	0		0
Current-period gross charge-offs	0	0	0
Agricultural [Member] | 1 (Pass) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	12,441		31,491
2024-2023	24,270		6,308
2023-2022	5,440		4,741
2022-2021	4,528		6,135
2021-2020	5,635		1,823
Prior	2,670		1,140
Revolving loans amortized cost	21,518		23,258
Total	76,502		74,896
Agricultural [Member] | 2 (Watch) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
Agricultural [Member] | 3 (Special Mention) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	201		201
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		1,831
Prior	1,831		0
Revolving loans amortized cost	966		994
Total	2,998		3,026
Agricultural [Member] | 4 (Substandard) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
Consumer [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	1,648		4,904
2024-2023	3,653		1,866
2023-2022	1,349		771
2022-2021	651		1,358
2021-2020	1,219		1,689
Prior	3,258		2,020
Revolving loans amortized cost	1,736		1,704
Total	13,514		14,312
Current-Period Gross Charge-Offs [Abstract]
2025-2024	0		0
2024-2023	3		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost basis	0		0
Current-period gross charge-offs	3	$ 0	0
Consumer [Member] | 1 (Pass) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	1,648		4,904
2024-2023	3,653		1,866
2023-2022	1,349		771
2022-2021	651		1,358
2021-2020	1,219		1,689
Prior	3,258		2,020
Revolving loans amortized cost	1,736		1,704
Total	13,514		14,312
Consumer [Member] | 2 (Watch) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
Consumer [Member] | 3 (Special Mention) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	0		0
Consumer [Member] | 4 (Substandard) [Member]
Amortized Cost of Loan Portfolio by Year of Origination Based on Internal Rating Category [Abstract]
2025-2024	0		0
2024-2023	0		0
2023-2022	0		0
2022-2021	0		0
2021-2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Total	$ 0		$ 0

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