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Loans and ACL (Summary of specific reserves by segments) (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment, ACL	$ 0	$ 0	$ 0	$ 137	$ 349
Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment, Loans	145	254
Individually evaluated for impairment, ACL		0
Commercial [Member] | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment, Loans	0	0
Individually evaluated for impairment, ACL	0	0
Commercial Real Estate | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment, Loans	0	0
Individually evaluated for impairment, ACL	0	0
Agricultural [Member] | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment, Loans	0	0
Individually evaluated for impairment, ACL	0	0
Residential Mortgage | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment, Loans	145	254
Individually evaluated for impairment, ACL	0	0
Consumer Portfolio Segment [Member] | Collateral Pledged
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment, Loans	0	0
Individually evaluated for impairment, ACL	$ 0	$ 0

X

- Definition

Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

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