Loans, Allowance for Credit Losses - Loans, and Credit Quality - Schedule of Nonaccrual Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 27,735	$ 28,419
Percent of total loans	0.40%	0.40%
% of Total	100.00%	100.00%
Retail & other
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 99	$ 126
% of Total	0.00%	0.00%
Commercial \| Commercial & industrial
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 6,317	$ 8,534
% of Total	23.00%	30.00%
Commercial \| Owner-occupied CRE
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 7,114	$ 4,547
% of Total	26.00%	16.00%
Commercial \| Agricultural
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 11,619	$ 9,969
% of Total	42.00%	35.00%
Commercial real estate \| CRE investment
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 573	$ 1,688
% of Total	2.00%	6.00%
Commercial real estate \| Construction & land development
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 0	$ 0
% of Total	0.00%	0.00%
Residential \| Residential first mortgage
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 1,527	$ 3,370
% of Total	5.00%	12.00%
Residential \| Residential junior mortgage
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 486	$ 185
% of Total	2.00%	1.00%
Residential \| Residential construction
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 0	$ 0
% of Total	0.00%	0.00%

Percentage of non accrual loan under each category.

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

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Percentage of nonaccrual financing receivable, excluding accrued interest, that is outstanding and past due. Excludes net investment in lease.

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