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Loans and Allowance for Credit Losses - Aging Analysis of Loans by Loan Category (Details) - USD ($) $ in Thousands		Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Loans		$ 2,924,955	$ 1,545,640
Loans, 90 Days Past Due and Accruing		0	0
Agricultural [Member]
Financing Receivable, Past Due [Line Items]
Loans		48,165	48,221
Loans, 90 Days Past Due and Accruing		0	0
Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Loans		345,138	228,256
Loans, 90 Days Past Due and Accruing		0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans		30,932	29,412
Loans, 90 Days Past Due and Accruing		0	0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans		1,757,598	901,130
Loans, 90 Days Past Due and Accruing		0	0
Construction Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Loans		18,067	17,042
Loans, 90 Days Past Due and Accruing		0	0
Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans		722,662	281,701
Loans, 90 Days Past Due and Accruing		0	0
Loans To Other Financial Institutions [Member]
Financing Receivable, Past Due [Line Items]
Loans		2,393	39,878
Loans, 90 Days Past Due and Accruing		0	0
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	28,454	5,635
Financial Asset, 30 to 59 Days Past Due [Member] | Agricultural [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	38	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	78	0
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	142	52
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	9,128	23
Financial Asset, 30 to 59 Days Past Due [Member] | Construction Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	1,314	694
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	17,754	4,866
Financial Asset, 30 to 59 Days Past Due [Member] | Loans To Other Financial Institutions [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	0	0
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	1,033	901
Financial Asset, 60 to 89 Days Past Due [Member] | Agricultural [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	27	49
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	14	87
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	79	0
Financial Asset, 60 to 89 Days Past Due [Member] | Construction Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	913	765
Financial Asset, 60 to 89 Days Past Due [Member] | Loans To Other Financial Institutions [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	8,377	2,086
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Agricultural [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	5,032	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	35	7
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	921	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	229	229
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	2,160	1,850
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Loans To Other Financial Institutions [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	0	0
Financial Asset, Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	37,864	8,622
Financial Asset, Past Due [Member] | Agricultural [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	38	0
Financial Asset, Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	5,137	49
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	191	146
Financial Asset, Past Due [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	10,128	23
Financial Asset, Past Due [Member] | Construction Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	1,543	923
Financial Asset, Past Due [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	20,827	7,481
Financial Asset, Past Due [Member] | Loans To Other Financial Institutions [Member]
Financing Receivable, Past Due [Line Items]
Loans	[1]	0	0
Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans		2,887,091	1,537,018
Financial Asset, Not Past Due [Member] | Agricultural [Member]
Financing Receivable, Past Due [Line Items]
Loans		48,127	48,221
Financial Asset, Not Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Loans		340,001	228,207
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans		30,741	29,266
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans		1,747,470	901,107
Financial Asset, Not Past Due [Member] | Construction Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Loans		16,524	16,119
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans		701,835	274,220
Financial Asset, Not Past Due [Member] | Loans To Other Financial Institutions [Member]
Financing Receivable, Past Due [Line Items]
Loans		$ 2,393	$ 39,878
[1] Includes nonaccrual loans.

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