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Note 8 - Commitments and Off-balance Sheet Risk - Exposure to Credit Losses (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Unused lines of Credit [Member] | Commercial Portfolio Segment [Member]
Contractual amounts of financial instruments with off-balance sheet risk	$ 516,345,000	$ 522,658,000
Unused lines of Credit [Member] | One to Four Family Mortgages [Member]
Contractual amounts of financial instruments with off-balance sheet risk	59,163,000	61,905,000
Unused lines of Credit [Member] | Consumer Portfolio Segment [Member]
Contractual amounts of financial instruments with off-balance sheet risk	18,295,000	15,612,000
Unused lines of Credit [Member] | Consumer Other Financing Receivable 1 [Member]
Contractual amounts of financial instruments with off-balance sheet risk	6,970,000	8,583,000
Loan Origination Commitments [Member]
Contractual amounts of financial instruments with off-balance sheet risk	212,873,000	178,034,000
Standby Letters of Credit [Member]
Contractual amounts of financial instruments with off-balance sheet risk	33,206,000	34,946,000
Contractual amounts of financial instruments with off-balance sheet risk	$ 846,852,000	$ 821,738,000

X

- Definition

The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611

+ Details

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