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Note 6 - Other Real Estate Owned and Repossessions - Foreclosed Property Activity (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Beginning balance		$ 1,505	$ 3,792
Additions (1)	[1]	121	131
Sales proceeds		(374)	(631)
Gross gains		29	121
Gross losses		(21)	(23)
Net gains (losses)		8	98
Impairment		(38)	(47)
Ending balance		1,222	3,343
FUSB [Member]
Beginning balance		1,401	3,527
Additions (1)	[1]	83	106
Sales proceeds		(311)	(611)
Gross gains		27	121
Gross losses
Net gains (losses)		27	121
Impairment			(43)
Ending balance		1,200	3,100
ALC [Member]
Beginning balance		104	265
Additions (1)	[1]	38	25
Sales proceeds		(63)	(20)
Gross gains		2
Gross losses		(21)	(23)
Net gains (losses)		(19)	(23)
Impairment		(38)	(4)
Ending balance		$ 22	$ 243
[1] Additions to other real estate owned ("OREO") include transfers from loans and capitalized improvements to existing OREO properties.

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- Definition

Other real estate gross gains.

+ References

No definition available.

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Other real estate gross losses.

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- Definition

Other real estate net income loss.

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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=118932676&loc=d3e3602-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
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The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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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.

+ 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=118936363&loc=d3e5162-111524

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

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