Business Combinations Revenue and Earnings Attributed to Business Combination (Details) - USD ($) $ in Thousands	3 Months Ended	4 Months Ended
Sep. 30, 2017	Sep. 30, 2017
Business Combinations [Abstract]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	$ 14,183	$ 18,979
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual	$ (128)	$ (1,914)

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

Name:	us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration