Other Current Assets and Other Long-Term Assets - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Other current assets:
Prepaid expenses	$ 10,935	$ 11,895
Deposits and other receivables	9,131	2,235
Interest receivables	1,532	2,513
Total other current assets	21,598	16,643
Other long-term assets:
Deposits and prepaid expenses	19,623	18,429
Restricted cash	620	620
Other long-term assets	$ 20,243	$ 19,049