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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Common stock dividends, per share	$ 0.10	$ 0.08
Stock option plan, shares		1,765
Employee stock purchase plan, shares	7,953	7,608
Restricted stock, shares	44,990	28,423

Number of shares issued during the period as a result of an employee stock purchase plan.

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

Number of share options (or share units) exercised during the current period.