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Commitments and Contingencies Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2013	$ 4,447us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2014	3,076us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2015	2,801us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2016	1,904us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2017	1,676us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter	2,589us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Total future minimum lease payments	16,493us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2013	476us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent
2014	477us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears
2015	483us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears
2016	421us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears
2017	388us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter	3,663us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter
Total future minimum lease payments	5,908us-gaap_CapitalLeasesFutureMinimumPaymentsDue
Less: amount representing interest (rates ranging from 7% to 11.5%)	(2,605)us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments
Less: current portion of obligations under capital leases	(205)us-gaap_CapitalLeaseObligationsCurrent
Long-term obligations under capital leases	$ 3,098us-gaap_CapitalLeaseObligationsNoncurrent	$ 3,786us-gaap_CapitalLeaseObligationsNoncurrent
Capital Lease Obligations | Minimum
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
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Capital Lease Obligations | Maximum
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
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X

- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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