Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accrued expenses:
Accrued interest	$ 7,000	$ 5,783
Accrued salaries	9,509	16,222
Current taxes payable	535	327
Other accrued expenses	2,847	2,109
Total	$ 19,891	$ 24,441