CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Statement of Financial Position [Abstract]
Mortgage loans held for sale; amortized cost	$ 19,624
Securities available for sale; amortized cost	524,036	578,897
Securities held to maturity; fair value	$ 52,499
Common stock, par value	$ 0.0625	$ 0.0625
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	16,292,471	16,171,618

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.

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Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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