Note 5 - Loans and Leases - Past Due Loans (Details) - USD ($) $ in Thousands		Jun. 30, 2024		Dec. 31, 2023
Loans, gross		$ 1,727,818	[1]	$ 1,685,098	[2]
Loans Past Due and Still Accruing		34		14
Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		154,158	[1]	152,640	[2]
Loans Past Due and Still Accruing		0		0
Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross		107,219	[1]	94,724	[2]
Loans Past Due and Still Accruing		0		0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans, gross		355,024	[1]	337,671	[2]
Loans Past Due and Still Accruing		0		0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		274,762	[1]	278,293	[2]
Loans Past Due and Still Accruing		0		0
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		53,959	[1]	39,823	[2]
Loans Past Due and Still Accruing				0
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross		54,558	[1]	56,640	[2]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		57,188	[1]	52,348	[2]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		11,014	[1]	10,756	[2]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		92,756	[1]	112,595	[2]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross	[1],[3]	29,070
Loans Past Due and Still Accruing		34
Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross		29,070	[3]	31,562	[2],[4]
Loans Past Due and Still Accruing		34		14
Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		23,499	[1]	16,500	[2]
Loans Past Due and Still Accruing		0		0
Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		32,645	[1]	36,536	[2]
Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross		481,966	[1]	465,010	[2]
Loans Past Due and Still Accruing		0		0
Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross		1,506		3,325
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		0		77
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross		0		0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans, gross		0		85
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		427		1,875
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		0		0
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross		191		105
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		84		60
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		101		86
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		271		417
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross		79
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross				548
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		132		30
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		0		0
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross		221		42
Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross		660		1,162
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		99		16
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross		0		0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans, gross		0		65
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		71		104
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		0		0
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross		0		150
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		245		92
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		0		1
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		24		48
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross		0
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross				0
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		34		4
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		0		0
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross		187		682
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	[5]	6,923		3,322
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross	[5]	2,685		55
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross	[5]	0		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans, gross	[5]	724		252
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross	[5]	2,404		2,250
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	[5]	0		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross	[5]	56		70
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross	[5]	402		364
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross	[5]	0		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross	[5]	5		39
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross	[5]	34
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross	[5]			14
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross	[5]	20		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	[5]	0		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross	[5]	593		278
Financial Asset, Past Due [Member]
Loans, gross		9,089		7,809
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		2,784		148
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross		0		0
Financial Asset, Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans, gross		724		402
Financial Asset, Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		2,902		4,229
Financial Asset, Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		0		0
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross		247		325
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		731		516
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		101		87
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		300		504
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross		113
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross				562
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		186		34
Financial Asset, Past Due [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		0		0
Financial Asset, Past Due [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross		1,001		1,002
Financial Asset, Not Past Due [Member]
Loans, gross		1,718,729		1,677,289
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		151,374		152,492
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross		107,219		94,724
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans, gross		354,300		337,269
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		271,860		274,064
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		53,959		39,823
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross		54,311		56,315
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		56,457		51,832
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		10,913		10,669
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		92,456		112,091
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross		28,957
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross				31,000
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		23,313		16,466
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		32,645		36,536
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross		$ 480,965		$ 464,008

[1] Includes net deferred loan costs of $5.0 million.

[2] Includes net deferred loan costs of $4.9 million.

[3] Net of unearned lease revenue of $2.1 million.

[4] Net of unearned lease revenue of $2.0 million.

[5] Includes non-accrual loans.