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Note 5 - Other Real Estate Owned - Foreclosed Property Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Beginning balance	$ 4,858	$ 6,038
Transfers from loans	87	472
Sales proceeds	(848)	(1,297)
Gross gains	14	53
Gross losses	(121)	(157)
Net gains (losses)	(107)	(104)
Impairment	(198)	(251)
Ending balance	3,792	4,858
FUSB [Member]
Beginning balance	4,353	5,327
Transfers from loans		273
Sales proceeds	(649)	(1,016)
Gross gains	14	16
Gross losses	(20)	(77)
Net gains (losses)	(6)	(61)
Impairment	(171)	(170)
Ending balance	3,527	4,353
ALC [Member]
Beginning balance	505	711
Transfers from loans	87	199
Sales proceeds	(199)	(281)
Gross gains		37
Gross losses	(101)	(80)
Net gains (losses)	(101)	(43)
Impairment	(27)	(81)
Ending balance	$ 265	$ 505

X

- Definition

Other real estate gross gains.

+ References

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Other real estate gross losses.

+ References

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Other real estate net income loss.

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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/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230

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-Section 45
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The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-04(c)(Schedule III))
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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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