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Note 6 - Changes in Accumulated Other Comprehensive Income by Component (Details) - Reclassifcation Out of Component of Accumulated Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Note 6 - Changes in Accumulated Other Comprehensive Income by Component (Details) - Reclassifcation Out of Component of Accumulated Other Comprehensive Income [Line Items]
Realized gain on available-for sale securities			$ 500
Amounts Reclassified From OCI [Member]
Note 6 - Changes in Accumulated Other Comprehensive Income by Component (Details) - Reclassifcation Out of Component of Accumulated Other Comprehensive Income [Line Items]
Realized gain on available-for sale securities		[1]	482	[1]
Less: Income tax expense		[1]	(175)	[1]
Total reclassification related to available-for-sale securities		[1]	307	[1]
Realized gain on cash flow hedges	14	[1]	26	[1]
Less: Income tax expense		[1]	(9)	[1]
Total reclassification related to cash flow hedges	$ 14	[1]	$ 17	[1]
[1] Amounts in parentheses represent reductions to earnings in the statement of operations.

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Other Comprehensive Income Loss Reclassification Adjustment Related To Cash Flow Hedges Net

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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Aggregate impact of foreign currency derivatives on earnings for the period. Includes impact of foreign currency cash flow hedge ineffectiveness and the ineffectiveness of fair value hedging derivatives and full change in fair value of the foreign currency derivatives not designated as hedging instruments.

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Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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