Other Assets and Liabilities - Other Non-Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Non-Current Assets:
Deferred tax assets, net	$ 37,860	$ 29,427
Long-term deposits	1,477	1,477
Guarantee from Armistice	1,252	1,367
Right of use assets at contract manufacturing organizations	6,362	6,428
Other	573	575
Total	$ 47,524	$ 39,274