Note 4 - Investment Securities (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Available-for-sale Securities, Amortized Cost Basis	$ 169,248	$ 156,539
Mortgage Backed [Member]
Available-for-sale Securities, Amortized Cost Basis	$ 3,600	$ 2,700

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References+ Details