Leases - Summary of Amounts Included in the Condensed Consolidated Statement of Financial Position (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets And Liabilities Lessee [Abstract]
Right of use asset - operating leases	$ 4,801	$ 5,901
Operating lease liability - short-term	1,546	2,057
Operating lease liability - long-term	3,478	4,074
Total operating lease liabilities	$ 5,024	$ 6,131