Loans and Leases, Outstanding Loan and Lease Balances Held-for-Investment by Segment and Class, Credit Quality Indicators, Vintage Year by Class of Financing Receivable and Current Period Gross Charge-Offs by Year of Origination (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	$ 186,156	$ 338,204
2023/2022	312,394	371,281
2022/2021	342,235	391,245
2021/2020	357,849	291,260
2020/2019	267,105	106,279
Prior	577,824	549,753
Revolving loans amortized cost	1,469,488	1,484,651
Revolving loans converted to term	165,337	122,016
Total net loans and leases	3,678,388	3,654,689
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	294	41
2023/2022	206	3
2022/2021	0	0
2021/2020	44	0
2020/2019	100	0
Prior	214	16
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	858	60
Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	185,995	335,552
2023/2022	310,007	368,807
2022/2021	336,887	386,267
2021/2020	357,813	290,200
2020/2019	265,006	104,248
Prior	571,556	536,012
Revolving loans amortized cost	1,449,550	1,475,423
Revolving loans converted to term	162,564	121,973
Total net loans and leases	3,639,378	3,618,482
Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	2,500
2023/2022	2,280	2,474
2022/2021	5,348	4,978
2021/2020	3	1,060
2020/2019	2,099	2,026
Prior	5,647	11,931
Revolving loans amortized cost	19,277	9,228
Revolving loans converted to term	2,543	43
Total net loans and leases	37,197	34,240
Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	161	152
2023/2022	107	0
2022/2021	0	0
2021/2020	33	0
2020/2019	0	5
Prior	621	1,810
Revolving loans amortized cost	661	0
Revolving loans converted to term	230	0
Total net loans and leases	1,813	1,967
Real Estate [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	126,903	200,440
2023/2022	191,621	307,938
2022/2021	292,982	351,115
2021/2020	331,005	273,351
2020/2019	255,109	96,407
Prior	541,231	510,191
Revolving loans amortized cost	832,778	831,542
Revolving loans converted to term	131,970	98,297
Total net loans and leases	2,703,599	2,669,281
Financing Receivable, Current Period Gross Charge-offs [Abstract]
Total	29	14
Commercial [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	63,216	121,418
2023/2022	117,550	171,566
2022/2021	165,013	221,708
2021/2020	209,222	143,502
2020/2019	134,254	67,505
Prior	292,496	263,560
Revolving loans amortized cost	271,701	250,687
Revolving loans converted to term	99,819	74,982
Total net loans and leases	1,353,271	1,314,928
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	0	0
Commercial [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	63,216	121,418
2023/2022	117,550	169,171
2022/2021	163,875	221,708
2021/2020	209,222	143,502
2020/2019	134,254	67,505
Prior	292,326	261,344
Revolving loans amortized cost	270,231	249,087
Revolving loans converted to term	99,819	74,982
Total net loans and leases	1,350,493	1,308,717
Commercial [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	2,395
2022/2021	1,138	0
2021/2020	0	0
2020/2019	0	0
Prior	170	2,216
Revolving loans amortized cost	1,470	1,600
Revolving loans converted to term	0	0
Total net loans and leases	2,778	6,211
Commercial [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	0	0
Agricultural [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	24,877	37,849
2023/2022	36,693	71,367
2022/2021	69,209	40,848
2021/2020	38,847	51,039
2020/2019	48,551	14,028
Prior	174,312	175,527
Revolving loans amortized cost	326,451	328,105
Revolving loans converted to term	32,086	23,246
Total net loans and leases	751,026	742,009
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	0	0
Agricultural [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	24,877	37,849
2023/2022	36,693	71,367
2022/2021	69,209	40,848
2021/2020	38,847	50,445
2020/2019	46,452	12,008
Prior	169,301	165,267
Revolving loans amortized cost	309,661	328,105
Revolving loans converted to term	32,086	23,246
Total net loans and leases	727,126	729,135
Agricultural [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	594
2020/2019	2,099	2,020
Prior	5,011	9,715
Revolving loans amortized cost	16,790	0
Revolving loans converted to term	0	0
Total net loans and leases	23,900	12,329
Agricultural [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	545
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	0	545
Residential and Home Equity [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	33,036	41,173
2023/2022	37,378	62,505
2022/2021	57,760	88,559
2021/2020	82,936	78,810
2020/2019	72,304	13,299
Prior	73,048	71,104
Revolving loans amortized cost	47,872	44,463
Revolving loans converted to term	65	69
Total net loans and leases	404,399	399,982
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	0	0
2023/2022	29	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	14
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	29	14
Residential and Home Equity [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	33,036	41,173
2023/2022	37,378	62,505
2022/2021	57,760	88,559
2021/2020	82,936	78,810
2020/2019	72,304	13,299
Prior	72,360	70,339
Revolving loans amortized cost	47,669	44,463
Revolving loans converted to term	65	69
Total net loans and leases	403,508	399,217
Residential and Home Equity [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	85	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	85	0
Residential and Home Equity [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	603	765
Revolving loans amortized cost	203	0
Revolving loans converted to term	0	0
Total net loans and leases	806	765
Construction [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	5,774	0
2023/2022	0	2,500
2022/2021	1,000	0
2021/2020	0	0
2020/2019	0	1,575
Prior	1,375	0
Revolving loans amortized cost	186,754	208,287
Revolving loans converted to term	0	0
Total net loans and leases	194,903	212,362
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	0	0
Construction [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	5,774	0
2023/2022	0	2,500
2022/2021	1,000	0
2021/2020	0	0
2020/2019	0	1,575
Prior	1,375	0
Revolving loans amortized cost	186,754	208,287
Revolving loans converted to term	0	0
Total net loans and leases	194,903	212,362
Construction [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	0	0
Construction [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	0	0
Commercial & Industrial [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	23,235	51,662
2023/2022	41,802	25,822
2022/2021	20,132	26,598
2021/2020	16,751	7,659
2020/2019	3,525	4,123
Prior	6,573	7,150
Revolving loans amortized cost	365,386	357,021
Revolving loans converted to term	26,999	19,338
Total net loans and leases	504,403	499,373
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	231	0
2023/2022	176	0
2022/2021	0	0
2021/2020	44	0
2020/2019	100	0
Prior	185	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	736	0
Commercial & Industrial [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	23,235	49,162
2023/2022	39,415	25,795
2022/2021	20,065	21,695
2021/2020	16,715	7,193
2020/2019	3,525	4,123
Prior	6,192	6,674
Revolving loans amortized cost	363,947	352,502
Revolving loans converted to term	24,269	19,295
Total net loans and leases	497,363	486,439
Commercial & Industrial [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	2,500
2023/2022	2,280	27
2022/2021	67	4,903
2021/2020	3	466
2020/2019	0	0
Prior	381	0
Revolving loans amortized cost	1,017	4,519
Revolving loans converted to term	2,500	43
Total net loans and leases	6,248	12,458
Commercial & Industrial [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	107	0
2022/2021	0	0
2021/2020	33	0
2020/2019	0	0
Prior	0	476
Revolving loans amortized cost	422	0
Revolving loans converted to term	230	0
Total net loans and leases	792	476
Agricultural [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	2,831	3,013
2023/2022	2,820	4,637
2022/2021	2,625	2,371
2021/2020	1,708	688
2020/2019	393	1,031
Prior	2,471	2,116
Revolving loans amortized cost	270,631	295,500
Revolving loans converted to term	6,368	4,381
Total net loans and leases	289,847	313,737
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	0	0
Agricultural [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	2,831	3,013
2023/2022	2,820	4,585
2022/2021	2,584	2,296
2021/2020	1,708	688
2020/2019	393	1,026
Prior	2,471	2,116
Revolving loans amortized cost	270,595	292,391
Revolving loans converted to term	6,325	4,381
Total net loans and leases	289,727	310,496
Agricultural [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	52
2022/2021	41	75
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	3,109
Revolving loans converted to term	43	0
Total net loans and leases	84	3,236
Agricultural [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	5
Prior	0	0
Revolving loans amortized cost	36	0
Revolving loans converted to term	0	0
Total net loans and leases	36	5
Commercial Leases [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	31,977	81,287
2023/2022	74,956	31,954
2022/2021	25,961	10,786
2021/2020	8,314	9,514
2020/2019	8,065	4,673
Prior	26,182	28,872
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	175,455	167,086
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	0	0
Commercial Leases [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	31,977	81,287
2023/2022	74,956	31,954
2022/2021	21,859	10,786
2021/2020	8,314	9,514
2020/2019	8,065	4,667
Prior	26,182	28,872
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	171,353	167,080
Commercial Leases [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	4,102	0
2021/2020	0	0
2020/2019	0	6
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	4,102	6
Commercial Leases [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	0	0
Consumer and Other [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	1,210	1,802
2023/2022	1,195	930
2022/2021	535	375
2021/2020	71	48
2020/2019	13	45
Prior	1,367	1,424
Revolving loans amortized cost	693	588
Revolving loans converted to term	0	0
Total net loans and leases	5,084	5,212
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2024/2023	63	41
2023/2022	1	3
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	29	2
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total	93	46
Consumer and Other [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	1,049	1,650
2023/2022	1,195	930
2022/2021	535	375
2021/2020	71	48
2020/2019	13	45
Prior	1,349	1,400
Revolving loans amortized cost	693	588
Revolving loans converted to term	0	0
Total net loans and leases	4,905	5,036
Consumer and Other [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	0	0
Consumer and Other [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2024/2023	161	152
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	18	24
Revolving loans amortized cost	0	0
Revolving loans converted to term	0	0
Total net loans and leases	$ 179	$ 176