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Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Summary of future annual minimum rental commitments under noncancellable operating lease
2013	$ 2,081
2014	1,698
2015	1,518
2016	1,482
2017	464
2018 and thereafter	162
Operating Leases, Future Minimum Payments Due, Total	$ 7,405

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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