Other Liabilities (Schedule of Long Term Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Other Liabilities [Abstract]
Operating lease liability, noncurrent	$ 0	$ 345
Indemnification liabilities (see Note 13)	145	145
Liabilities for uncertain tax positions	19,522	17,352
Long-term liabilities	$ 19,667	$ 17,842