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Note 21 - Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Amortization of Intangible Assets	$ 1,014	$ 1,143	$ 1,437
Finite-Lived Intangible Assets, Remaining Amortization Period	three
Fully Amortized [Member]
Finite-Lived Core Deposits, Gross	$ 4,400

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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