Employee Benefit Plans - Pension Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Acquired from TVN acquisition	$ 5,907
Service cost	217
Interest cost	87
Actuarial losses	279
Curtailment	(1,955)
Foreign currency translation adjustment	(271)
Defined Benefit Plan, Benefit Obligation	4,264
Current portion (presented under “Accrued and other current liabilities”)	27
Long-term portion (presented under “Other non-current liabilities”)	$ 4,237	$ 0

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This represents the current liability recognized in the balance sheet that is associated with the defined benefit pension plans.

+ References

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-Publisher FASB
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This represents the noncurrent liability recognized in the balance sheet that is associated with the defined benefit pension plans.

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Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

+ References

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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The amount of increase in the benefit obligation attributed to business combinations.

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The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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Amount of gain (loss) from foreign currency exchange rate changes for benefit obligation for plans of a foreign operation whose functional currency is not the reporting currency.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

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