Liabilities - Components of Accounts Payable, Accrued Expenses, and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accounts payable	$ 48,571	$ 32,878
Accrued expenses	9,649	10,092
Other current liabilities	5,482	5,757
Accounts payable, accrued expenses and other current liabilities	$ 63,702	$ 48,727