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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

The following table summarizes the Company's principal contractual commitments as of December 31, 2017 (in thousands): 

	2018				2019				2020				2021				2022				Thereafter				Total
Operating leases	$	5,320			$	4,505			$	3,833			$	3,205			$	2,370			$	3,258			$	22,491
Purchase obligations	1,446				17				11				—				—				—				1,474
Total commitments	$	6,766			$	4,522			$	3,844			$	3,205			$	2,370			$	3,258			$	23,965

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- References

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- Definition

Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 303
-Paragraph a
-Subparagraph 5

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