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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2010
Actuarial loss recognized in change of projected benefit obligation	$ 0
Accumulated Other Comprehensive Income
Actuarial loss recognized in change of projected benefit obligation	$ 0

Tax effect of the increase (decrease) in the value of the projected benefit obligation and the (increase) decrease in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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