Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 37,742	$ 28,426
Accumulated depreciation and amortization	(16,345)	(13,334)
Property and equipment, net	21,397	15,092
Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,011	1,061
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,921	1,746
Company Vehicles
Property Plant And Equipment [Line Items]
Property and equipment, gross	7,807	5,002
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	7,161	7,068
Internal-use Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	13,885	10,552
Other
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 5,957	$ 2,997