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Note 19 - Earnings Per Share (Details) - Earnings Per Share (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Basic
Net income attributable to common shares (in Dollars)	$ 6,293,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 5,948,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 1,510,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 3,580,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 5,163,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 3,453,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 4,016,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 4,401,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 17,331,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 17,033,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic	$ 11,505,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Net income attributable to common shares (in Dollars)									$ 17,331,000us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted	$ 17,033,000us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted	$ 11,505,000us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted
Weighted average common shares outstanding									13,510,991us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	8,710,677us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	8,625,198us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Basic earnings per common share (in Dollars per share)	$ 0.37us-gaap_EarningsPerShareBasic	$ 0.35us-gaap_EarningsPerShareBasic	$ 0.13us-gaap_EarningsPerShareBasic	$ 0.41us-gaap_EarningsPerShareBasic	$ 0.59us-gaap_EarningsPerShareBasic	$ 0.40us-gaap_EarningsPerShareBasic	$ 0.46us-gaap_EarningsPerShareBasic	$ 0.51us-gaap_EarningsPerShareBasic	$ 1.28us-gaap_EarningsPerShareBasic	$ 1.96us-gaap_EarningsPerShareBasic	$ 1.33us-gaap_EarningsPerShareBasic
Add: Dilutive effects of share-based awards									30,913us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	14,031us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	224,429us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Average shares and dilutive potential common shares									13,541,904us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	8,724,708us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	8,849,627us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Diluted earnings per common share (in Dollars per share)	$ 0.37us-gaap_EarningsPerShareDiluted	$ 0.35us-gaap_EarningsPerShareDiluted	$ 0.13us-gaap_EarningsPerShareDiluted	$ 0.41us-gaap_EarningsPerShareDiluted	$ 0.59us-gaap_EarningsPerShareDiluted	$ 0.40us-gaap_EarningsPerShareDiluted	$ 0.46us-gaap_EarningsPerShareDiluted	$ 0.50us-gaap_EarningsPerShareDiluted	$ 1.28us-gaap_EarningsPerShareDiluted	$ 1.95us-gaap_EarningsPerShareDiluted	$ 1.30us-gaap_EarningsPerShareDiluted

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.

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