Other Liabilities - Components of Other Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Liabilities Disclosure [Abstract]
Legal provision	$ 19,100	$ 19,100
Accrued expenses	15,079	19,275
Uncertain tax positions	8,250	8,250
Unused trade commissions	4,842	5,192
Other	6,343	7,400
Total Other Liabilities	$ 53,614	$ 59,217