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Note 5 - Other Real Estate Owned - Foreclosed Property Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Beginning balance	$ 3,792	$ 4,858
Additions (1)	131	20
Sales proceeds	(631)	(288)
Gross gains	121	13
Gross losses	(23)	(16)
Net gains (losses)	98	(3)
Impairment	(47)
Ending balance	3,343	4,587
FUSB [Member]
Beginning balance	3,527	4,353
Additions (1)	106
Sales proceeds	(611)	(204)
Gross gains	121	13
Gross losses		(1)
Net gains (losses)	121	12
Impairment	(43)
Ending balance	3,100	4,161
ALC [Member]
Beginning balance	265	505
Additions (1)	25	20
Sales proceeds	(20)	(84)
Gross gains
Gross losses	(23)	(15)
Net gains (losses)	(23)	(15)
Impairment	(4)
Ending balance	$ 243	$ 426

X

- Definition

Other real estate gross gains.

+ References

No definition available.

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Other real estate gross losses.

+ References

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- Definition

Other real estate net income loss.

+ References

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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-Publisher FASB
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-Topic 360
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

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- Definition

The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5162-111524

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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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