Commitments and Contingencies (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Operating Leases, Rent, Net [Abstract] | |||
| Operating Lease Expense | $ 4,924 | $ 5,100 | $ 5,824 |
| Sublease Income | 1,134 | 888 | 506 |
| Net Expense | 3,790 | $ 4,212 | $ 5,318 |
| Lease Commitments | |||
| 2018 | 2,753 | ||
| 2019 | 1,214 | ||
| 2020 | 657 | ||
| 2021 | 427 | ||
| 2022 | 326 | ||
| Thereafter | 84 | ||
| Total | 5,461 | ||
| Sublease Income | |||
| 2018 | 0 | ||
| 2019 | 0 | ||
| 2020 | 0 | ||
| 2021 | 0 | ||
| 2022 | 0 | ||
| Thereafter | 0 | ||
| Total | 0 | ||
| Net Commitments | |||
| 2018 | 2,753 | ||
| 2019 | 1,214 | ||
| 2020 | 657 | ||
| 2021 | 427 | ||
| 2022 | 326 | ||
| Thereafter | 84 | ||
| Total | 5,461 | ||
| Lease Commitments Under Headquarters Lease | |||
| 2018 | 4,337 | ||
| 2019 | 4,456 | ||
| 2020 | 4,579 | ||
| 2021 | 4,705 | ||
| 2022 | 4,827 | ||
| Thereafter | 22,336 | ||
| Total | 45,240 | ||
| Sublease Income Under Headquarters Lease | |||
| 2018 | 892 | ||
| 2019 | 376 | ||
| 2020 | 0 | ||
| 2021 | 0 | ||
| 2022 | 0 | ||
| Thereafter | 0 | ||
| Total | 1,268 | ||
| Net Commitments Under Headquarters Lease | |||
| 2018 | 3,445 | ||
| 2019 | 4,080 | ||
| 2020 | 4,579 | ||
| 2021 | 4,705 | ||
| 2022 | 4,827 | ||
| Thereafter | 22,336 | ||
| Total | $ 43,972 | ||
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- Definition Amount of minimum lease payments for capital leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of minimum lease payments to be received by the lessor for capital leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of minimum lease payments to be received by the lessor for capital leases 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of minimum lease payments to be received by the lessor for capital leases 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of minimum lease payments to be received by the lessor for capital leases 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of minimum lease payments to be received by the lessor for capital leases 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of minimum lease payments to be received by the lessor for capital leases 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of minimum lease payments to be received by the lessor for capital leases 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition 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 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future minimum rental payments in aggregate as of the balance sheet date under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Future rental payments receivable within one year of the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future rental payments receivable within the fifth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future rental payments receivable within the fourth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future rental payments receivable within the third year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future rental payments receivable within the second year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for capital leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease income maturing in the next fiscal year. No definition available.
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- References No definition available.
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- Definition Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for capital leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease income maturing in the fifth fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for capital leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease income maturing in the fourth fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for capital leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease income maturing in the third fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for capital leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease income maturing in the second fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for capital leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease income maturing after the fifth fiscal year following the latest fiscal year. No definition available.
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| X | ||||||||||
- Definition Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease income having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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| X | ||||||||||
- Definition 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, net of sublease income maturing in the next fiscal year. No definition available.
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- References No definition available.
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| X | ||||||||||
- Definition 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, net of sublease income maturing in the fifth fiscal year following the latest fiscal year. No definition available.
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- Definition 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, net of sublease income maturing in the fourth fiscal year following the latest fiscal year. No definition available.
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- Definition 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, net of sublease income maturing in the third fiscal year following the latest fiscal year. No definition available.
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- Definition 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, net of sublease income maturing in the second fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments maturing after 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, net of sublease income maturing after the fifth fiscal year following the latest fiscal year. No definition available.
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| X | ||||||||||
- Definition Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease income having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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