Other Liabilities (Schedule of Long Term Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Liabilities [Abstract]
Operating lease liability, noncurrent	$ 174	$ 345
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List	us-gaap:OtherLiabilitiesNoncurrent
Indemnification liabilities (see Note 13)	$ 145	145
Liabilities for uncertain tax positions	18,946	17,352
Long-term liabilities	$ 19,265	$ 17,842