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Note 5 - Loans and the Allowance for Credit Losses - Activity in the ACL for Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Balance	$ 80,070	$ 80,568	$ 78,773	$ 79,226
Charge-offs	(302)	(212)	(576)	(212)
Recoveries	32	14	64	75
(Reversal of) provision for credit losses (loans)	2,939	(1,686)	4,478	(6,962)
Balance	82,739	78,684	82,739	78,684
Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance				6,557
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance				85,783
Commercial Portfolio Segment [Member]
Balance	25,459	26,435	25,969	28,443
Charge-offs	(292)	(50)	(341)	(50)
Recoveries	0	13	1	73
(Reversal of) provision for credit losses (loans)	2,968	(831)	2,506	1,326
Balance	28,135	25,567	28,135	25,567
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance				(4,225)
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance				24,218
Commercial Real Estate Portfolio Segment [Member]
Balance	47,868	43,897	45,589	39,330
Charge-offs	(1)	(155)	(226)	(155)
Recoveries	0	0	0	0
(Reversal of) provision for credit losses (loans)	(305)	73	2,199	(4,965)
Balance	47,562	43,815	47,562	43,815
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance				9,605
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance				48,935
Commercial Construction Portfolio Segment [Member]
Balance	3,281	5,521	3,580	8,194
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
(Reversal of) provision for credit losses (loans)	132	(594)	(167)	(2,306)
Balance	3,413	4,927	3,413	4,927
Commercial Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance				(961)
Commercial Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance				7,233
Residential Portfolio Segment [Member]
Balance	3,455	4,704	3,628	2,687
Charge-offs	(9)	(7)	(9)	(7)
Recoveries	32	0	63	0
(Reversal of) provision for credit losses (loans)	147	(331)	(57)	(1,011)
Balance	3,625	4,366	3,625	4,366
Residential Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance				2,697
Residential Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance				5,384
Consumer Portfolio Segment [Member]
Balance	7	11	7	4
Charge-offs	0	0	0	0
Recoveries	0	1	0	2
(Reversal of) provision for credit losses (loans)	(3)	(3)	(3)	(6)
Balance	4	9	4	9
Consumer Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance				9
Consumer Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance				13
Unallocated Financing Receivables [Member]
Balance	0	0	0	568
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
(Reversal of) provision for credit losses (loans)	0	0	0	0
Balance	$ 0	$ 0	$ 0	0
Unallocated Financing Receivables [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance				(568)
Unallocated Financing Receivables [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance				$ 0

X

- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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