Note 5 - Loans and Leases - Past Due Loans (Details) - USD ($) $ in Thousands		Mar. 31, 2023		Dec. 31, 2022
Loans, gross		$ 1,626,999	[1],[2]	$ 1,564,174	[3],[4]
Loans Past Due and Still Accruing		17		33
Commercial Portfolio Segment [Member]
Loans, gross		247,057	[1]	234,478	[3]
Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		136,966	[2]	166,491	[4]
Loans Past Due and Still Accruing		0		0
Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross		110,092	[2]	67,987	[4]
Loans Past Due and Still Accruing		0		0
Commercial Real Estate Portfolio Segment [Member]
Loans, gross		625,682	[1]	606,618	[3]
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans, gross		310,289	[2]	316,867	[4]
Loans Past Due and Still Accruing		0		0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		282,200	[2]	270,810	[4]
Loans Past Due and Still Accruing		0		0
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		33,192	[2]	18,941	[4]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member]
Loans, gross		291,912	[1],[5]	282,710	[3],[6]
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross		59,461	[2]	59,118	[4]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		49,928	[2]	52,568	[4]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		12,207	[2]	12,929	[4]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		125,051	[2]	114,909	[4]
Loans Past Due and Still Accruing		0		16
Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross	[2],[7]	32,084
Loans Past Due and Still Accruing		17
Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		13,181	[2]	11,709	[4]
Loans Past Due and Still Accruing		0		0
Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross		33,905	[7]	31,477	[4],[6]
Loans Past Due and Still Accruing		17		17
Residential Portfolio Segment [Member]
Loans, gross		462,348	[1]	440,368	[3]
Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		45,322	[2]	42,232	[4]
Loans Past Due and Still Accruing		0		0
Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross		417,026	[2]	398,136	[4]
Loans Past Due and Still Accruing		0		0
Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross		731		1,152
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		30		0
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		0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		0		42
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		167		239
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		16		110
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		46		152
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		341		411
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross		102
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		7		12
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross				186
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		22		0
Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross		118		686
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		10		0
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		0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		0		0
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		55		0
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		0		151
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		5		115
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		43		86
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] | Other Loan [Member]
Loans, gross		5		7
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] | 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		0		327
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	[8]	3,359		2,568
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross	[8]	739		719
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross	[8]	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	[8]	311		383
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross	[8]	1,948		1,066
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	[8]	0		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross	[8]	0		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross	[8]	75		211
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross	[8]	11		11
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross	[8]	170		158
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	[8]	17
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross	[8]	2		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross	[8]			17
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	[8]	0		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross	[8]	86		3
Financial Asset, Past Due [Member]
Loans, gross		4,208		4,406
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		779		719
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		311		383
Financial Asset, Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		1,948		1,108
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		222		239
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		91		472
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		62		278
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		554		655
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross		119
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		14		19
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross				203
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		108		330
Financial Asset, Not Past Due [Member]
Loans, gross		1,622,791		1,559,768
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial [Member]
Loans, gross		136,187		165,772
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Municipal [Member]
Loans, gross		110,092		67,987
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans, gross		309,978		316,484
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross		280,252		269,702
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		33,192		18,941
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross		59,239		58,879
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross		49,837		52,096
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Loans, gross		12,145		12,651
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Loans, gross		124,497		114,254
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease Net of Unearned Lease Revenue [Member]
Loans, gross		31,965
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Other Loan [Member]
Loans, gross		13,167		11,690
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Loans, gross				31,274
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross		45,322		42,232
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Loans, gross		$ 416,918		$ 397,806

[1] Includes $4.8 million of net deferred loan costs.

[2] Includes net deferred loan costs of $4.8 million.

[3] Includes $4.6 million of net deferred loan costs.

[4] Includes net deferred loan costs of $4.6 million.

[5] Net of unearned lease revenue of $1.8 million

[6] Net of unearned lease revenue of $1.7 million.

[7] Net of unearned lease revenue of $1.8 million.

[8] Includes non-accrual loans.