Related Party Transactions (Details) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2019 USD ($) company	Sep. 30, 2019 USD ($) company	Sep. 30, 2018 company	Dec. 31, 2018 USD ($) company
Related Party Transaction [Line Items]
Number of related party customers	1	1	1
Accounts Receivable, Related Parties \| $	$ 41	$ 41		$ 109
Management [Member]
Related Party Transaction [Line Items]
Number of related party customers		1		1

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Name:	us-gaap_AccountsReceivableRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant