Liabilities - Components of Accounts Payable, Accrued Expenses, and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accounts payable	$ 44,748	$ 38,163
Accrued expenses	11,697	11,449
Other current liabilities	4,463	4,315
Accounts payable, accrued expenses and other current liabilities	$ 60,908	$ 53,927