Debt (Summary of Other Debt) (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Dec. 31, 2019
Loans payable [Member]
Debt Instrument [Line Items]
Other debt, face amount	$ 3,470	$ 2,150

Face (par) amount of debt instrument at time of issuance.

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