Note 5 - Loans and Leases - Credit Risk Profile (Details) - USD ($) $ in Thousands		3 Months Ended			12 Months Ended
		Mar. 31, 2023		Mar. 31, 2022	Dec. 31, 2022
Financing Receivable, before Allowance for Credit Loss		$ 1,626,999	[1],[2]		$ 1,564,174	[3],[4]
Current period gross write-offs		303		$ 95	815
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)		1,609,089			1,547,025
Commercial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss		247,057	[1]		234,478	[3]
Current period gross write-offs		170		(0)	371
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					234,478
Commercial Portfolio Segment [Member] | Commercial [Member]
Current year		3,619
Year two		25,780
Year three		27,108
Year four		9,752
Year five		9,331
Prior		15,222
Revolving loans		46,154
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		136,966	[2]		166,491	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		150
Current period gross write-offs, year four		20
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		170
Commercial Portfolio Segment [Member] | Municipal [Member]
Current year		36,815
Year two		20,553
Year three		17,295
Year four		13,568
Year five		1,453
Prior		20,408
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		110,092	[2]		67,987	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Commercial Portfolio Segment [Member] | Pass [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					231,614
Commercial Portfolio Segment [Member] | Pass [Member] | Commercial [Member]
Current year		3,619
Year two		25,468
Year three		27,091
Year four		9,752
Year five		9,257
Prior		14,888
Revolving loans		44,165
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		134,240
Commercial Portfolio Segment [Member] | Pass [Member] | Municipal [Member]
Current year		36,815
Year two		20,553
Year three		17,295
Year four		13,568
Year five		1,453
Prior		20,408
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		110,092
Commercial Portfolio Segment [Member] | Special Mention [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					229
Commercial Portfolio Segment [Member] | Special Mention [Member] | Commercial [Member]
Current year		0
Year two		124
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		68
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		192
Commercial Portfolio Segment [Member] | Special Mention [Member] | Municipal [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Commercial Portfolio Segment [Member] | Substandard [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					2,635
Commercial Portfolio Segment [Member] | Substandard [Member] | Commercial [Member]
Current year		0
Year two		188
Year three		17
Year four		0
Year five		74
Prior		334
Revolving loans		1,921
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		2,534
Commercial Portfolio Segment [Member] | Substandard [Member] | Municipal [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Commercial Portfolio Segment [Member] | Doubtful [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Commercial [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Municipal [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Consumer Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss		291,912	[1],[5]		282,710	[3],[6]
Current period gross write-offs		101		94	377
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					282,710
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					282,313
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					397
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Current year		3,077
Year two		20,132
Year three		11,323
Year four		9,740
Year five		4,370
Prior		10,819
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		59,461	[2]		59,118	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					59,118
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Performing Financial Instruments [Member]
Current year		3,077
Year two		20,132
Year three		11,323
Year four		9,740
Year five		4,370
Prior		10,819
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		59,461
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					59,118
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Nonperforming Financial Instruments [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		39,400
Revolving loans converted to term		10,528
Financing Receivable, before Allowance for Credit Loss		49,928	[2]		52,568	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					52,568
Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member] | Performing Financial Instruments [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		39,325
Revolving loans converted to term		10,528
Financing Receivable, before Allowance for Credit Loss		49,853
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					52,357
Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member] | Nonperforming Financial Instruments [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		75
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		75
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					211
Consumer Portfolio Segment [Member] | Automobile Loan [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					131,936
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Recourse [Member]
Current year		914
Year two		2,778
Year three		4,045
Year four		2,763
Year five		1,254
Prior		453
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		12,207	[2]		12,929	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonrecourse [Member]
Current year		21,786
Year two		54,393
Year three		23,893
Year four		12,492
Year five		7,676
Prior		4,811
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		125,051	[2]		114,909	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		25
Current period gross write-offs, year four		14
Current period gross write-offs, year five		10
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		49
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Performing Financial Instruments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					131,767
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Performing Financial Instruments [Member] | Recourse [Member]
Current year		914
Year two		2,778
Year three		4,045
Year four		2,763
Year five		1,254
Prior		442
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		12,196
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Performing Financial Instruments [Member] | Nonrecourse [Member]
Current year		21,786
Year two		54,393
Year three		23,818
Year four		12,427
Year five		7,654
Prior		4,803
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		124,881
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonperforming Financial Instruments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					169
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonperforming Financial Instruments [Member] | Recourse [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		11
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		11
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Nonperforming Financial Instruments [Member] | Nonrecourse [Member]
Current year		0
Year two		0
Year three		75
Year four		65
Year five		22
Prior		8
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		170
Consumer Portfolio Segment [Member] | Direct Financing Lease [Member]
Current year	[7]	3,804
Year two	[7]	15,952
Year three	[7]	10,174
Year four	[7]	3,465
Year five	[7]	454
Prior	[7]	56
Revolving loans	[7]	0
Revolving loans converted to term	[7]	0
Financing Receivable, before Allowance for Credit Loss		33,905	[7]		31,477	[4],[6]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)	[6]				31,477
Consumer Portfolio Segment [Member] | Direct Financing Lease [Member] | Performing Financial Instruments [Member]
Current year	[7]	3,804
Year two	[7]	15,952
Year three	[7]	10,157
Year four	[7]	3,465
Year five	[7]	454
Prior	[7]	56
Revolving loans	[7]	0
Revolving loans converted to term	[7]	0
Financing Receivable, before Allowance for Credit Loss	[7]	33,888
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)	[6]				31,460
Consumer Portfolio Segment [Member] | Direct Financing Lease [Member] | Nonperforming Financial Instruments [Member]
Current year	[7]	0
Year two	[7]	0
Year three	[7]	17
Year four	[7]	0
Year five	[7]	0
Prior	[7]	0
Revolving loans	[7]	0
Revolving loans converted to term	[7]	0
Financing Receivable, before Allowance for Credit Loss	[7]	17
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)	[6]				17
Consumer Portfolio Segment [Member] | Other Loan [Member]
Current year		2,874
Year two		4,102
Year three		2,078
Year four		1,045
Year five		792
Prior		1,036
Revolving loans		1,254
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		13,181	[2]		11,709	[4]
Current period gross write-offs, current year		3
Current period gross write-offs, year two		30
Current period gross write-offs, year three		3
Current period gross write-offs, year four		3
Current period gross write-offs, year five		8
Current period gross write-offs, prior		5
Current period gross write-offs, revolving
Current period gross write-offs, revolving converted to term
Current period gross write-offs		52
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					7,611
Consumer Portfolio Segment [Member] | Other Loan [Member] | Performing Financial Instruments [Member]
Current year		2,874
Year two		4,102
Year three		2,078
Year four		1,045
Year five		792
Prior		1,034
Revolving loans		1,254
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		13,179
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					7,611
Consumer Portfolio Segment [Member] | Other Loan [Member] | Nonperforming Financial Instruments [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		2
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		2
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss		625,682	[1]		606,618	[3]
Current period gross write-offs		32		1	67
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Current year		3,134
Year two		36,595
Year three		79,475
Year four		47,812
Year five		20,200
Prior		114,083
Revolving loans		8,990
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		310,289	[2]		316,867	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		32
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		32
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					316,867
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Current year		5,440
Year two		54,869
Year three		50,518
Year four		30,523
Year five		25,025
Prior		100,477
Revolving loans		15,348
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		282,200	[2]		270,810	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					270,810
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Current year		699
Year two		23,405
Year three		3,743
Year four		0
Year five		0
Prior		2,335
Revolving loans		3,010
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		33,192	[2]		18,941	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					18,941
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] | Non-owner Occupied [Member]
Current year		3,134
Year two		36,530
Year three		78,399
Year four		47,199
Year five		19,616
Prior		102,174
Revolving loans		8,950
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		296,002
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					301,386
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] | Owner Occupied [Member]
Current year		4,028
Year two		54,840
Year three		49,269
Year four		30,495
Year five		25,025
Prior		89,390
Revolving loans		14,588
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		267,635
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					255,921
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] | Construction Loans [Member]
Current year		699
Year two		23,405
Year three		3,743
Year four		0
Year five		0
Prior		2,335
Revolving loans		3,010
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		33,192
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					18,941
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] | Non-owner Occupied [Member]
Current year		0
Year two		65
Year three		1,076
Year four		335
Year five		497
Prior		2,207
Revolving loans		40
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		4,220
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					4,227
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] | Owner Occupied [Member]
Current year		0
Year two		29
Year three		899
Year four		28
Year five		0
Prior		308
Revolving loans		125
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		1,389
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					803
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] | Construction Loans [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] | Non-owner Occupied [Member]
Current year		0
Year two		0
Year three		0
Year four		278
Year five		87
Prior		9,702
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		10,067
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					11,254
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] | Owner Occupied [Member]
Current year		1,412
Year two		0
Year three		350
Year four		0
Year five		0
Prior		10,779
Revolving loans		635
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		13,176
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					14,086
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] | Construction Loans [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member] | Non-owner Occupied [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member] | Owner Occupied [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member] | Construction Loans [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Commercial and Commercial Real Estate Portfolio Segments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					841,096
Commercial and Commercial Real Estate Portfolio Segments [Member] | Pass [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					807,862
Commercial and Commercial Real Estate Portfolio Segments [Member] | Special Mention [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					5,259
Commercial and Commercial Real Estate Portfolio Segments [Member] | Substandard [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					27,975
Commercial and Commercial Real Estate Portfolio Segments [Member] | Doubtful [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Residential Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss		462,348	[1]		440,368	[3]
Current period gross write-offs		(0)		$ (0)	(0)
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					440,368
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					440,365
Residential Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					3
Residential Portfolio Segment [Member] | Construction Loans [Member]
Current year		742
Year two		24,663
Year three		14,576
Year four		4,471
Year five		428
Prior		442
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		45,322	[2]		42,232	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					42,232
Residential Portfolio Segment [Member] | Construction Loans [Member] | Performing Financial Instruments [Member]
Current year		742
Year two		24,663
Year three		14,576
Year four		4,471
Year five		428
Prior		442
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		45,322
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					42,232
Residential Portfolio Segment [Member] | Construction Loans [Member] | Nonperforming Financial Instruments [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		0
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					0
Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Current year		17,499
Year two		61,113
Year three		132,880
Year four		52,928
Year five		31,437
Prior		121,169
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		417,026	[2]		398,136	[4]
Current period gross write-offs, current year		0
Current period gross write-offs, year two		0
Current period gross write-offs, year three		0
Current period gross write-offs, year four		0
Current period gross write-offs, year five		0
Current period gross write-offs, prior		0
Current period gross write-offs, revolving		0
Current period gross write-offs, revolving converted to term		0
Current period gross write-offs		0
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					398,136
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Performing Financial Instruments [Member]
Current year		17,499
Year two		61,113
Year three		132,880
Year four		52,928
Year five		31,437
Prior		121,083
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		416,940
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					398,133
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Nonperforming Financial Instruments [Member]
Current year		0
Year two		0
Year three		0
Year four		0
Year five		0
Prior		86
Revolving loans		0
Revolving loans converted to term		0
Financing Receivable, before Allowance for Credit Loss		$ 86
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					3
Consumer and Residential Portfolio Segments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					723,078
Consumer and Residential Portfolio Segments [Member] | Performing Financial Instruments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					722,678
Consumer and Residential Portfolio Segments [Member] | Nonperforming Financial Instruments [Member]
Loans and leases, net (allowance for credit losses of $17,910 in 2023; $17,149 in 2022)					$ 400

[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.