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Significant Accounting Policies (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net cash used in investing activities	$ (19,554)	$ (7,316)	$ (34,203)
Net cash provided by (used in) financing activities	$ 8,426	(19,414)	20,411
As previously reported [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net cash used in investing activities		(12,419)	(35,982)
Net cash provided by (used in) financing activities		(14,311)	22,190
Adjustments [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net cash used in investing activities		5,103	1,779
Net cash provided by (used in) financing activities		$ (5,103)	$ (1,779)

X

- Definition

Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585

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- Definition

Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585

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+ References

No definition available.

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