Condensed Consolidated Statements of Cash Flows (Parenthetical) $ in Thousands	Dec. 31, 2018 USD ($)
Statement of Cash Flows [Abstract]
Cash and cash equivalents	$ 4,100
Cash and cash equivalents included in current assets of discontinued operations	800
Restricted cash included in non-current assets of discontinued operations	$ 400

Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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