Note 9 - Accumulated Other Comprehensive Income (Details) - Accmulated Other Comprehensive (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2011
Accmulated Other Comprehensive (Loss) [Abstract]
Cash Flow Swaps	$ (1,007)		$ (1,178)
Available for Sale Securities	(578)		(578)
Total	(1,585)	(1,756)	(1,756)
Cash Flow Swaps	153	171
Available for Sale Securities	153	171
Cash Flow Swaps	101	118
Available for Sale Securities	101	118
Cash Flow Swaps	52	53
Available for Sale Securities	52	53
Cash Flow Swaps	(854)	(1,007)	(1,178)
Available for Sale Securities	(578)	(578)	(578)
Total	$ (1,432)	$ (1,585)	$ (1,756)

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Accumulated appreciation or loss, net of tax, in value of the total of available-for-sale securities at the end of an accounting period.

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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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