Goodwill and Other Intangible Assets - Intangible assets for Insight Holding (Details) - USD ($) $ in Thousands		1 Months Ended	11 Months Ended	12 Months Ended
Dec. 12, 2018	Dec. 31, 2018	Dec. 12, 2018	Nov. 30, 2018	Dec. 31, 2019	Dec. 31, 2017	Dec. 31, 2016
Goodwill and Other Intangible Assets
Financial Designation, Predecessor and Successor [Fixed List]	Predecessor		Predecessor	Predecessor		Predecessor	Predecessor
Intangible amortization expense		$ 23	$ 630		$ 438	$ 496

Indicates designation of financial information when substantially all business or separately identifiable line of business transfers from one entity to another entity. Acceptable values are "Predecessor" and "Successor".

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 45
-Paragraph 27
-URI http://asc.fasb.org/extlink&oid=116635682&loc=SL2890601-112764

Name:	us-gaap_FinancialDesignationPredecessorAndSuccessorFixedList
Namespace Prefix:	us-gaap_
Data Type:	us-types:financialDesignationType
Balance Type:	na
Period Type:	duration