Number of financing receivables outstanding that have been modified by troubled debt restructurings.

No definition available.

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- Definition

Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

+ Details

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Period Type:	duration

- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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Note 5 - Loans and Allowance for Credit Losses - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Number of Contracts	9		10
Troubled debt restructings	$ 8,796		$ 13,291
Specific allowance	1,955		1,775
Restructured and subsequently defaulted	237	$ 5,000
Commercial Portfolio Segment [Member]
Troubled debt restructings	3,330		3,571
Specific allowance	855		855
Restructured and subsequently defaulted	237
Income Producing Portfolio Segment [Member]
Troubled debt restructings	4,397		4,397
Specific allowance	1,100		920
Restructured and subsequently defaulted
Owner Occupied Portfolio Segment [Member]
Troubled debt restructings	367		390
Specific allowance
Restructured and subsequently defaulted
Construction Portfolio Segment [Member] \| Commercial and Residential Loan [Member]
Troubled debt restructings	702		4,933
Specific allowance
Restructured and subsequently defaulted
Performing Financial Instruments [Member]
Number of Contracts	7		7
Troubled debt restructings	$ 7,901		$ 7,924
Performing Financial Instruments [Member] \| Commercial Portfolio Segment [Member]
Troubled debt restructings	3,137		3,137
Performing Financial Instruments [Member] \| Income Producing Portfolio Segment [Member]
Troubled debt restructings	4,397		4,397
Performing Financial Instruments [Member] \| Owner Occupied Portfolio Segment [Member]
Troubled debt restructings	367		390
Performing Financial Instruments [Member] \| Construction Portfolio Segment [Member] \| Commercial and Residential Loan [Member]
Troubled debt restructings
Nonperforming Financial Instruments [Member]
Number of Contracts	2		3
Troubled debt restructings	$ 895		$ 5,367
Nonperforming Financial Instruments [Member] \| Commercial Portfolio Segment [Member]
Troubled debt restructings	193		434
Nonperforming Financial Instruments [Member] \| Income Producing Portfolio Segment [Member]
Troubled debt restructings
Nonperforming Financial Instruments [Member] \| Owner Occupied Portfolio Segment [Member]
Troubled debt restructings
Nonperforming Financial Instruments [Member] \| Construction Portfolio Segment [Member] \| Commercial and Residential Loan [Member]
Troubled debt restructings	$ 702		$ 4,933