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Loans and ACL (Past due and current loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Total		$ 1,264,173
Loans and Leases Receivable, Gross	$ 1,334,674	1,264,173
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Total commercial [Member]
Financing Receivable, Past Due [Line Items]
Total		744,440
Loans and Leases Receivable, Gross	195,814	178,428
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial and Industrial, Secured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	176,887	161,895
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial and Industrial, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	18,927	16,533
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	566,639	566,012
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Real Estate, Owner Occupied, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	183,497	192,117
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Real Estate, Non-owner Occupied
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	216,675	204,091
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Real Estate, 1-4 Family Investor, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	88,150	85,278
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Real Estate, Multifamily, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	78,317	84,526
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	24,807	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Total agricultural [Member]
Financing Receivable, Past Due [Line Items]
Total		104,985
Loans and Leases Receivable, Gross	99,233	104,985
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Agricultural Mortgage, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	69,930	73,002
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Agricultural other [Member]
Financing Receivable, Past Due [Line Items]
Total		31,983
Loans and Leases Receivable, Gross	29,303	31,983
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Residential Mortgage
Financing Receivable, Past Due [Line Items]
Total		336,694
Loans and Leases Receivable, Gross	348,196	336,694
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Residential Real Estate, Senior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	306,054	300,225
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Residential Real Estate, Junior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,501	3,282
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	36,641	33,187
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Total Consumer [Member]
Financing Receivable, Past Due [Line Items]
Total		78,054
Loans and Leases Receivable, Gross	99,985	78,054
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer, Secured, Direct, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	38,029	37,127
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer, Secured, Indirect, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	58,660	37,814
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Gross	3,296	3,113
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total	418	7,951
Financial Asset, 30 to 59 Days Past Due [Member] | Total commercial [Member]
Financing Receivable, Past Due [Line Items]
Total	190	536
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial and Industrial, Secured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	180	536
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial and Industrial, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	10	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	0	4,302
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate, Owner Occupied, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	94
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate, Non-owner Occupied
Financing Receivable, Past Due [Line Items]
Total	0	4,208
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate, 1-4 Family Investor, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate, Multifamily, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Total agricultural [Member]
Financing Receivable, Past Due [Line Items]
Total	10	0
Financial Asset, 30 to 59 Days Past Due [Member] | Agricultural Mortgage, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Agricultural other [Member]
Financing Receivable, Past Due [Line Items]
Total	10	0
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Mortgage
Financing Receivable, Past Due [Line Items]
Total	185	3,063
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Real Estate, Senior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	185	3,025
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Real Estate, Junior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	38
Financial Asset, 30 to 59 Days Past Due [Member] | Total Consumer [Member]
Financing Receivable, Past Due [Line Items]
Total	33	50
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer, Secured, Direct, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	7	1
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer, Secured, Indirect, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	17	45
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	9	4
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Total	425	2,803
Financial Asset, 60 to 89 Days Past Due [Member] | Total commercial [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial and Industrial, Secured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial and Industrial, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	0	2,570
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate, Owner Occupied, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate, Non-owner Occupied
Financing Receivable, Past Due [Line Items]
Total	0	2,570
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate, 1-4 Family Investor, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate, Multifamily, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Total agricultural [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Agricultural Mortgage, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Agricultural other [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Mortgage
Financing Receivable, Past Due [Line Items]
Total	405	225
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Real Estate, Senior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	405	225
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Real Estate, Junior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Total Consumer [Member]
Financing Receivable, Past Due [Line Items]
Total	20	8
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer, Secured, Direct, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	12	0
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer, Secured, Indirect, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	8	8
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	148	14
Financial Asset, Equal to or Greater than 90 Days Past Due | Total commercial [Member]
Financing Receivable, Past Due [Line Items]
Total	17	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial and Industrial, Secured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	17	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial and Industrial, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	0	14
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate, Owner Occupied, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate, Non-owner Occupied
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate, 1-4 Family Investor, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	14
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate, Multifamily, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Total agricultural [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Agricultural Mortgage, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Agricultural other [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential Mortgage
Financing Receivable, Past Due [Line Items]
Total	131	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential Real Estate, Senior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	131	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential Real Estate, Junior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Total Consumer [Member]
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer, Secured, Direct, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer, Secured, Indirect, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	0	0
Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Total	1,333,683	1,253,405
Financial Asset, Not Past Due | Total commercial [Member]
Financing Receivable, Past Due [Line Items]
Total	195,607	177,892
Financial Asset, Not Past Due | Commercial and Industrial, Secured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	176,690	161,359
Financial Asset, Not Past Due | Commercial and Industrial, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	18,917	16,533
Financial Asset, Not Past Due | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	566,639	559,126
Financial Asset, Not Past Due | Commercial Real Estate, Owner Occupied, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	183,497	192,023
Financial Asset, Not Past Due | Commercial Real Estate, Non-owner Occupied
Financing Receivable, Past Due [Line Items]
Total	216,675	197,313
Financial Asset, Not Past Due | Commercial Real Estate, 1-4 Family Investor, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	88,150	85,264
Financial Asset, Not Past Due | Commercial Real Estate, Multifamily, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	78,317	84,526
Financial Asset, Not Past Due | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Past Due [Line Items]
Total	24,807	0
Financial Asset, Not Past Due | Total agricultural [Member]
Financing Receivable, Past Due [Line Items]
Total	99,223	104,985
Financial Asset, Not Past Due | Agricultural Mortgage, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	69,930	73,002
Financial Asset, Not Past Due | Agricultural other [Member]
Financing Receivable, Past Due [Line Items]
Total	29,293	31,983
Financial Asset, Not Past Due | Residential Mortgage
Financing Receivable, Past Due [Line Items]
Total	347,475	333,406
Financial Asset, Not Past Due | Residential Real Estate, Senior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	305,333	296,975
Financial Asset, Not Past Due | Residential Real Estate, Junior Lien, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	5,501	3,282
Financial Asset, Not Past Due | Residential Real Estate, Home Equity Lines of Credit, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	36,641	33,149
Financial Asset, Not Past Due | Total Consumer [Member]
Financing Receivable, Past Due [Line Items]
Total	99,932	77,996
Financial Asset, Not Past Due | Consumer, Secured, Direct, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	38,010	37,126
Financial Asset, Not Past Due | Consumer, Secured, Indirect, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	58,635	37,761
Financial Asset, Not Past Due | Consumer, Unsecured, Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total	$ 3,287	$ 3,109

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- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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