Note 8 - Fair Value Measurements (Detail) - Assets Measured at Fair Value on a Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Estimate of Fair Value, Fair Value Disclosure [Member]
Impaired loans	$ 12,546	$ 11,725
REO, net	2,846	1,967
Fair Value, Inputs, Level 3 [Member]
Impaired loans	12,546	11,725
REO, net	$ 2,846	$ 1,967

Other real estate owned measured at fair value on a nonrecurring basis in periods after initial recognition. Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3).

No definition available.

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