Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table provides a reconciliation of the Level 3 earn-out liability measured at estimated fair value as of December 31, 2017 to June 30, 2018 (in thousands):

	Earn-out Liability
Accrued balance, December 31, 2017	$	27,000
Change in fair value of earn-out (included in income from operations as a separate line item)	2,000
Accrued balance, June 30, 2018	$	29,000

Fair Value Inputs, Liabilities, Quantitative Information [Table Text Block]

The following table provides quantitative information about Level 3 inputs for fair value measurement of our earn-out liability as of December 31, 2017 and June 30, 2018. Significant increases or decreases in these inputs in isolation could result in a significant impact on our fair value measurement:

Simulation Input	As of June 30, 2018		As of December 31, 2017
Adjusted EBITDA Volatility	25.00	%	26.00	%
WACC	8.25	%	8.75	%
20-year risk free rate	2.91	%	2.58	%
Market price of risk	5.20	%	5.99	%
Cost of debt	4.72	%	4.08	%

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

Our assets and liabilities measured at fair value on a recurring basis consisted of the following (Level 1, 2 and 3 inputs as defined above) (in thousands):

	Fair value measurements at June 30, 2018
	Total carrying value		Quoted prices in active markets for identical assets (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)
Assets:
Available for sale securities:
Short-term	$	18,069	$	—	$	18,069	$	—
Long-term	5,947		—		5,947		—
Total Assets	$	24,016	$	—	$	24,016	$	—
Liabilities:
Earn-out liability	$	29,000	$	—	$	—	$	29,000
Foreign exchange forwards:
Accrued liabilities	306		—		306		—
Other long-term liabilities	265		—		265		—
Total Liabilities	$	29,571	$	—	$	571	$	29,000

Fair Value Measurements, Nonrecurring [Table Text Block]

Our assets measured at fair value on a nonrecurring basis consisted of the following (Level 1, 2 and 3 inputs as defined above) (in thousands):

	Fair value measurements at December 31, 2017
	Total carrying value		Quoted prices in active markets for identical assets (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)
Assets:
Assets held-for-sale	$	12,489	$	—	$	—	$	12,489
Total Assets	$	12,489	$	—	$	—	$	12,489