Revenue Revenue, Remaining Performance Obligation (Details) $ in Thousands	Apr. 01, 2018 USD ($)
Revenue [Abstract]
Anticipated recognition of revenue for the remainder of 2018	$ 6,281
Anticipated recognition of revenue in 2019	6,629
Anticipated recognition of revenue in 2020	5,955
Anticipated recognition of revenue in 2021	5,590
Anticipated recognition of revenue in 2022	5,388
Anticipated recognition of revenue thereafter	72,918
Revenue, Remaining Performance Obligation	$ 102,761

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130556-203045

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant