Commitments And Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Minimum Operating Lease Payments
Minimum operating lease payments, 2015	$ 8,566
Minimum operating lease payments, 2016	8,562
Minimum operating lease payments, 2017	7,602
Minimum operating lease payments, 2018	554
Total minimum operating lease payments,	25,284
Future Minimum Sublease Rentals
Sublease income, 2015	542
Sublease income, 2016	538
Sublease income, 2017	0
Sublease income, 2018	0
Total Sublease Income	1,080
Minimum Net Operating Lease Payments
Net operating lease payments, 2015	8,024
Net operating lease payments, 2016	8,024
Net operating lease payments, 2017	7,602
Net operating lease payments, 2018	554
Total net operating lease payments	$ 24,204

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Operating Leases, Future Minimum Payments Due, Net, Next Twelve Months

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Operating Leases, Future Minimum Payments, Net, Due in Four Years

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Operating Leases, Future Minimum Payments, Net, Due in Three Years

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Operating Leases, Future Minimum Payments, Net, Due in Two Years

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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 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 forth 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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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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Future rental payments receivable within one year of the balance sheet date under an operating lease.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the third year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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