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Note 4 - Loans Receivable and Allowance for Loan and Lease Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Dec. 31, 2019
Balance	$ 10,916	$ 7,823	$ 10,115	$ 7,609
Charge-offs	(691)	(2,307)	(735)	(2,307)
Recoveries	13	5	54	54
Provisions (credits)	910	2,937	1,714	3,102
Balance	11,148	8,458	11,148	8,458
Total allowance for loan and lease losses	11,148	8,458	10,115	7,609	$ 11,148	$ 10,115
Business Activities Loans [Member]
Balance			10,115
Balance	11,148		11,148
Allowance for loan losses: Individually evaluated for impairment					1,627	1,496
Allowance for loan losses: Collectively evaluated for impairment					9,521	8,619
Total allowance for loan and lease losses	11,148		10,115		11,148	10,115
Loans receivable, gross: Individually evaluated for impairment					23,201	19,628
Loans receivable, gross: Collectively evaluated for impairment					769,299	792,360
Total loans receivable, gross					792,500	812,164
PCI loans individually evaluated for impairment						176
Commercial Real Estate Portfolio Segment [Member]
Balance	4,150	1,862	3,789	1,866
Charge-offs	0	0	0	0
Recoveries		2		2
Provisions (credits)	124	114	485	110
Balance	4,274	1,978	4,274	1,978
Total allowance for loan and lease losses	4,274	1,978	3,789	1,866	4,274	3,789
Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member]
Balance			3,789
Balance	4,274		4,274
Allowance for loan losses: Individually evaluated for impairment					1,615	1,496
Allowance for loan losses: Collectively evaluated for impairment					2,659	2,293
Total allowance for loan and lease losses	4,274		3,789		4,274	3,789
Loans receivable, gross: Individually evaluated for impairment					16,093	13,034
Loans receivable, gross: Collectively evaluated for impairment					286,057	301,380
Total loans receivable, gross					302,150	314,414
PCI loans individually evaluated for impairment
Residential Portfolio Segment [Member]
Balance	1,120	1,389	1,038	1,059
Charge-offs	(12)	(12)	(13)	(12)
Recoveries
Provisions (credits)	802	(441)	885	(111)
Balance	1,910	936	1,910	936
Total allowance for loan and lease losses	1,910	936	1,038	1,059	1,910	1,038
Residential Portfolio Segment [Member] | Business Activities Loans [Member]
Balance			1,038
Balance	1,910		1,910
Allowance for loan losses: Individually evaluated for impairment					4
Allowance for loan losses: Collectively evaluated for impairment					1,906	1,038
Total allowance for loan and lease losses	1,910		1,038		1,910	1,038
Loans receivable, gross: Individually evaluated for impairment					3,733	3,621
Loans receivable, gross: Collectively evaluated for impairment					164,749	171,868
Total loans receivable, gross					168,482	175,489
PCI loans individually evaluated for impairment
Commercial Portfolio Segment [Member]
Balance	4,390	3,490	4,340	3,558
Charge-offs	(679)	(2,292)	(683)	(2,292)
Recoveries	11		51	47
Provisions (credits)	(196)	3,010	(182)	2,895
Balance	3,526	4,208	3,526	4,208
Total allowance for loan and lease losses	3,526	4,208	4,340	3,558	3,526	4,340
Commercial Portfolio Segment [Member] | Business Activities Loans [Member]
Balance			4,340
Balance	3,526		3,526
Allowance for loan losses: Individually evaluated for impairment
Allowance for loan losses: Collectively evaluated for impairment					3,526	4,340
Total allowance for loan and lease losses	3,526		4,340		3,526	4,340
Loans receivable, gross: Individually evaluated for impairment					1,724	2,057
Loans receivable, gross: Collectively evaluated for impairment					161,879	171,642
Total loans receivable, gross					163,603	173,875
PCI loans individually evaluated for impairment						176
Consumer Portfolio Segment [Member]
Balance	534	592	341	641
Charge-offs		(3)	(39)	(3)
Recoveries	2	3	3	5
Provisions (credits)	(2)	72	229	21
Balance	534	664	534	664
Total allowance for loan and lease losses	534	664	341	641	534	341
Consumer Portfolio Segment [Member] | Business Activities Loans [Member]
Balance			341
Balance	534		534
Allowance for loan losses: Individually evaluated for impairment					8
Allowance for loan losses: Collectively evaluated for impairment					526	341
Total allowance for loan and lease losses	534		341		534	341
Loans receivable, gross: Individually evaluated for impairment					1,651	916
Loans receivable, gross: Collectively evaluated for impairment					86,674	85,018
Total loans receivable, gross					88,325	85,934
PCI loans individually evaluated for impairment
Construction Portfolio Segment [Member]
Balance	603	355	477	350
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions (credits)	63	112	189	117
Balance	666	467	666	467
Total allowance for loan and lease losses	666	467	477	350	666	477
Construction Portfolio Segment [Member] | Business Activities Loans [Member]
Balance			477
Balance	666		666
Allowance for loan losses: Individually evaluated for impairment					0	0
Allowance for loan losses: Collectively evaluated for impairment					666	477
Total allowance for loan and lease losses	666		477		666	477
Loans receivable, gross: Individually evaluated for impairment
Loans receivable, gross: Collectively evaluated for impairment					56,928	48,388
Total loans receivable, gross					56,928	48,388
PCI loans individually evaluated for impairment
Construction to Permanent Portfolio Segment [Member]
Balance	119	123	130	108
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions (credits)	30	(18)	19	(3)
Balance	149	105	149	105
Total allowance for loan and lease losses	149	105	130	108	149	130
Construction to Permanent Portfolio Segment [Member] | Business Activities Loans [Member]
Balance			130
Balance	149		149
Allowance for loan losses: Individually evaluated for impairment					0	0
Allowance for loan losses: Collectively evaluated for impairment					149	130
Total allowance for loan and lease losses	149		130		149	130
Loans receivable, gross: Individually evaluated for impairment					0	0
Loans receivable, gross: Collectively evaluated for impairment					13,012	14,064
Total loans receivable, gross					13,012	14,064
PCI loans individually evaluated for impairment
Unallocated Financing Receivables [Member]
Balance		12		27
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions (credits)	89	88	89	73
Balance	89	100	89	100
Total allowance for loan and lease losses	89	$ 100		$ 27	89
Unallocated Financing Receivables [Member] | Business Activities Loans [Member]
Balance
Balance	89		89
Allowance for loan losses: Individually evaluated for impairment					0	0
Allowance for loan losses: Collectively evaluated for impairment					89
Total allowance for loan and lease losses	$ 89				89
Loans receivable, gross: Individually evaluated for impairment					0	0
Loans receivable, gross: Collectively evaluated for impairment
Total loans receivable, gross
PCI loans individually evaluated for impairment

X

- Definition

The amount of acquired loans that were individually evaluated for impairment.

+ References

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

+ 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.

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