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	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	$ 44,363		$ 186,156
2024/2023	181,619		312,394
2023/2022	305,133		342,235
2022/2021	334,080		357,849
2021/2020	350,594		267,105
Prior	817,309		577,824
Revolving loans amortized cost	1,348,139		1,469,488
Revolving loans converted to term	202,937		165,337
Total net loans and leases	3,584,174		3,678,388
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	7		294
2024/2023	0		206
2023/2022	69		0
2022/2021	98		44
2021/2020	87		100
Prior	12		214
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total	273	$ 10	858
Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	44,224		185,995
2024/2023	181,619		310,007
2023/2022	302,853		336,887
2022/2021	328,798		357,813
2021/2020	350,568		265,006
Prior	813,162		571,556
Revolving loans amortized cost	1,334,685		1,449,550
Revolving loans converted to term	200,368		162,564
Total net loans and leases	3,556,277		3,639,378
Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		2,280
2023/2022	2,280		5,348
2022/2021	5,282		3
2021/2020	0		2,099
Prior	3,533		5,647
Revolving loans amortized cost	13,158		19,277
Revolving loans converted to term	2,445		2,543
Total net loans and leases	26,698		37,197
Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	139		161
2024/2023	0		107
2023/2022	0		0
2022/2021	0		33
2021/2020	26		0
Prior	614		621
Revolving loans amortized cost	296		661
Revolving loans converted to term	124		230
Total net loans and leases	1,199		1,813
Real Estate [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	37,345		126,903
2024/2023	122,173		191,621
2023/2022	188,440		292,982
2022/2021	287,105		331,005
2021/2020	326,026		255,109
Prior	772,039		541,231
Revolving loans amortized cost	780,668		832,778
Revolving loans converted to term	152,816		131,970
Total net loans and leases	2,666,612		2,703,599
Financing Receivable, Current Period Gross Charge-offs [Abstract]
Total	0		29
Commercial [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	23,588		63,216
2024/2023	60,623		117,550
2023/2022	116,823		165,013
2022/2021	164,047		209,222
2021/2020	207,575		134,254
Prior	413,700		292,496
Revolving loans amortized cost	259,504		271,701
Revolving loans converted to term	102,046		99,819
Total net loans and leases	1,347,906		1,353,271
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	23,588		63,216
2024/2023	60,623		117,550
2023/2022	116,823		163,875
2022/2021	162,923		209,222
2021/2020	207,575		134,254
Prior	413,700		292,326
Revolving loans amortized cost	258,034		270,231
Revolving loans converted to term	102,046		99,819
Total net loans and leases	1,345,312		1,350,493
Commercial [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		1,138
2022/2021	1,124		0
2021/2020	0		0
Prior	0		170
Revolving loans amortized cost	1,470		1,470
Revolving loans converted to term	0		0
Total net loans and leases	2,594		2,778
Commercial [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	8,016		24,877
2024/2023	24,345		36,693
2023/2022	36,213		69,209
2022/2021	68,712		38,847
2021/2020	37,903		48,551
Prior	214,707		174,312
Revolving loans amortized cost	296,711		326,451
Revolving loans converted to term	50,707		32,086
Total net loans and leases	737,314		751,026
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	8,016		24,877
2024/2023	24,345		36,693
2023/2022	36,213		69,209
2022/2021	68,712		38,847
2021/2020	37,903		46,452
Prior	211,607		169,301
Revolving loans amortized cost	285,604		309,661
Revolving loans converted to term	50,707		32,086
Total net loans and leases	723,107		727,126
Agricultural [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	0		2,099
Prior	3,100		5,011
Revolving loans amortized cost	11,107		16,790
Revolving loans converted to term	0		0
Total net loans and leases	14,207		23,900
Agricultural [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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
Residential and Home Equity [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	5,741		33,036
2024/2023	31,444		37,378
2023/2022	35,404		57,760
2022/2021	53,446		82,936
2021/2020	80,548		72,304
Prior	142,257		73,048
Revolving loans amortized cost	47,141		47,872
Revolving loans converted to term	63		65
Total net loans and leases	396,044		404,399
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	0		0
2024/2023	0		29
2023/2022	0		0
2022/2021	0		0
2021/2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total	0		29
Residential and Home Equity [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	5,741		33,036
2024/2023	31,444		37,378
2023/2022	35,404		57,760
2022/2021	53,446		82,936
2021/2020	80,548		72,304
Prior	141,583		72,360
Revolving loans amortized cost	46,939		47,669
Revolving loans converted to term	63		65
Total net loans and leases	395,168		403,508
Residential and Home Equity [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	0		0
Prior	76		85
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total net loans and leases	76		85
Residential and Home Equity [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	0		0
Prior	598		603
Revolving loans amortized cost	202		203
Revolving loans converted to term	0		0
Total net loans and leases	800		806
Construction [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		5,774
2024/2023	5,761		0
2023/2022	0		1,000
2022/2021	900		0
2021/2020	0		0
Prior	1,375		1,375
Revolving loans amortized cost	177,312		186,754
Revolving loans converted to term	0		0
Total net loans and leases	185,348		194,903
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	0		5,774
2024/2023	5,761		0
2023/2022	0		1,000
2022/2021	900		0
2021/2020	0		0
Prior	1,375		1,375
Revolving loans amortized cost	177,312		186,754
Revolving loans converted to term	0		0
Total net loans and leases	185,348		194,903
Construction [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	3,980		23,235
2024/2023	24,055		41,802
2023/2022	39,718		20,132
2022/2021	19,167		16,751
2021/2020	15,847		3,525
Prior	8,696		6,573
Revolving loans amortized cost	327,611		365,386
Revolving loans converted to term	43,122		26,999
Total net loans and leases	482,196		504,403
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	0		231
2024/2023	0		176
2023/2022	69		0
2022/2021	98		44
2021/2020	53		100
Prior	12		185
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total	232		736
Commercial & Industrial [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	3,980		23,235
2024/2023	24,055		39,415
2023/2022	37,438		20,065
2022/2021	19,106		16,715
2021/2020	15,821		3,525
Prior	8,339		6,192
Revolving loans amortized cost	326,961		363,947
Revolving loans converted to term	40,596		24,269
Total net loans and leases	476,296		497,363
Commercial & Industrial [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		2,280
2023/2022	2,280		67
2022/2021	61		3
2021/2020	0		0
Prior	357		381
Revolving loans amortized cost	581		1,017
Revolving loans converted to term	2,402		2,500
Total net loans and leases	5,681		6,248
Commercial & Industrial [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		107
2023/2022	0		0
2022/2021	0		33
2021/2020	26		0
Prior	0		0
Revolving loans amortized cost	69		422
Revolving loans converted to term	124		230
Total net loans and leases	219		792
Agricultural [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	20		2,831
2024/2023	3,257		2,820
2023/2022	2,694		2,625
2022/2021	2,422		1,708
2021/2020	1,461		393
Prior	2,696		2,471
Revolving loans amortized cost	239,155		270,631
Revolving loans converted to term	6,999		6,368
Total net loans and leases	258,704		289,847
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	34		0
Prior	0		0
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total	34		0
Agricultural [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	20		2,831
2024/2023	3,257		2,820
2023/2022	2,694		2,584
2022/2021	2,383		1,708
2021/2020	1,461		393
Prior	2,696		2,471
Revolving loans amortized cost	239,130		270,595
Revolving loans converted to term	6,956		6,325
Total net loans and leases	258,597		289,727
Agricultural [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		41
2022/2021	39		0
2021/2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Revolving loans converted to term	43		43
Total net loans and leases	82		84
Agricultural [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	0		0
Prior	0		0
Revolving loans amortized cost	25		36
Revolving loans converted to term	0		0
Total net loans and leases	25		36
Commercial Leases [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	2,125		31,977
2024/2023	31,296		74,956
2023/2022	73,204		25,961
2022/2021	24,988		8,314
2021/2020	7,206		8,065
Prior	32,583		26,182
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total net loans and leases	171,402		175,455
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	2,125		31,977
2024/2023	31,296		74,956
2023/2022	73,204		21,859
2022/2021	20,930		8,314
2021/2020	7,206		8,065
Prior	32,583		26,182
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total net loans and leases	167,344		171,353
Commercial Leases [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		4,102
2022/2021	4,058		0
2021/2020	0		0
Prior	0		0
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total net loans and leases	4,058		4,102
Commercial Leases [Member] | Substandard [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	893		1,210
2024/2023	838		1,195
2023/2022	1,077		535
2022/2021	398		71
2021/2020	54		13
Prior	1,295		1,367
Revolving loans amortized cost	705		693
Revolving loans converted to term	0		0
Total net loans and leases	5,260		5,084
Financing Receivable, Current Period Gross Charge-offs [Abstract]
2025/2024	7		63
2024/2023	0		1
2023/2022	0		0
2022/2021	0		0
2021/2020	0		0
Prior	0		29
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total	7		93
Consumer and Other [Member] | Pass [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	754		1,049
2024/2023	838		1,195
2023/2022	1,077		535
2022/2021	398		71
2021/2020	54		13
Prior	1,279		1,349
Revolving loans amortized cost	705		693
Revolving loans converted to term	0		0
Total net loans and leases	5,105		4,905
Consumer and Other [Member] | Special Mention [Member]
Outstanding Loan Balances by Credit Quality Indicators and Vintage Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	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]
2025/2024	139		161
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	0		0
Prior	16		18
Revolving loans amortized cost	0		0
Revolving loans converted to term	0		0
Total net loans and leases	$ 155		$ 179