Note 2 - Fair Value of Financial Instruments (Details) - Fair Value Measurements (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Financial Assets:
Carrying Value	$ 39,974	$ 45,651	$ 73,723	$ 51,630
Fair Value	39,974	45,651
Carrying Value	89,949	94,965
Fair Value	89,949	94,965
Carrying Value	23,746	23,511
Fair Value	23,920	24,624
Carrying Value	7,776	6,281
Carrying Value	544,977	551,383
Fair Value	548,093	564,059
Carrying Value	2,044	2,057
Fair Value	2,044	2,057
Financial liabilities:
Carrying Value	634,557	655,064
Fair Value	635,529	657,206
Carrying Value	19,764	14,285
Fair Value	19,131	14,536
Carrying Value	8,500	13,500
Fair Value	4,892	10,146
Carrying Value	1,086	1,377
Fair Value	1,086	1,377
Fair Value, Inputs, Level 1 [Member]
Financial Assets:
Fair Value	39,974	45,651
Financial liabilities:
Fair Value	144,116	139,526
Fair Value	3	2
Fair Value, Inputs, Level 2 [Member]
Financial Assets:
Carrying Value	89,949	94,965
Fair Value	89,949	94,965
Fair Value	11,172	11,569
Fair Value	304	283
Financial liabilities:
Fair Value	491,413	517,680
Fair Value	19,131	14,536
Fair Value	4,892	10,146
Fair Value	1,083	1,375
Fair Value, Inputs, Level 3 [Member]
Financial Assets:
Fair Value	12,748	13,055
Fair Value	548,093	564,059
Fair Value	$ 1,740	$ 1,774

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Fair value portion of accrued expenses.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Fair value of investments in debt securities classified as held-to-maturity.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.

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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

+ References

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Fair value portion of other liabilities.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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