Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Right-of-use asset	$ 6,184	$ 6,599
Long term sales-type lease receivable	2,821	2,501
Other long term receivable	3,489	3,061
Total other assets	$ 12,494	12,161
Impairment on investments		$ 10,000