Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Approximate minimum annual rentals under operating lease obligations
Operating Lease Obligations, 2014	$ 3,249
Operating Lease Obligations, 2015	2,442
Operating Lease Obligations, 2016	2,249
Operating Lease Obligations, 2017	1,985
Operating Lease Obligations, 2018	841
Operating Lease Obligations, Total	$ 10,766

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

+ References

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-Publisher FASB

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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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Amount of required minimum rental payments maturing in the fifth 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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Amount of required minimum rental payments maturing in the third 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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Amount of required minimum rental payments maturing in the second 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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