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Significant Accounting Policies (Details) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Schedule of reconciliation of shares used to calculate basic and diluted earnings per share
Weighted average shares outstanding used to compute basic earnings per share	11,433	11,623	11,428	12,016
Incremental shares issuable upon the assumed exercise of stock options				11
Unvested restricted stock	54	24	54	28
Shares used to compute diluted earnings per share	11,487	11,647	11,482	12,055

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