Commitments And Contingencies (Narrative) (Details)	1 Months Ended
Jul. 31, 2015	Sep. 30, 2019
Furrion Limited
Loss Contingencies
Long-term purchase commitment, time period	6 years
Weighted Average Cost of Capital
Loss Contingencies
Weighted average cost of capital		0.117

Value of input used to measure contingent consideration liability from business combination.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

Name:	us-gaap_BusinessCombinationContingentConsiderationLiabilityMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant